Top 15 Best Coilovers for 9th Gen Si You Must Try Now!

Coilovers can make a big difference in how your 9th gen Si handles and feels on the road. Choosing the right set helps improve ride quality, cornering, and overall driving experience. The challenge is finding coilovers that fit well and deliver consistent performance without sacrificing comfort.

The challenge is finding coilovers that fit well and deliver consistent performance without sacrificing comfort. The best coilovers for 9th gen Si cater to drivers who want a balanced upgrade for daily driving and spirited use. These suspension kits are designed to offer adjustable ride height and damping, which allows customization based on your driving style and road conditions.

Quality coilovers also provide better stability and reduce body roll. This review will cover key features, pros, and cons of popular coilovers suitable for the 9th gen Si. It will also help you understand which options stand out for different budgets and performance needs.

It will also help you understand which options stand out for different budgets and performance needs. Whether you want improved handling or a sportier stance, this guide aims to provide clear, practical insights.

Top Suspension Upgrades to Elevate Your 9th Gen Si’s Performance and Style

Image	Product	Price
Our Selected Top 1	Rev9 R9-HS2-012_1 Hyper-Street II Coilover Suspension Lowering Kit, Mono-Tube Shock	Check Price Now
Our Selected Top 2	BC Racing BR Series Coilovers – Shock Absorbers with Front	Check Price Now
Our Selected Top 3	maXpeedingrods Coilovers for Honda Civic Si 2017-2021, Height Adjustable Coilovers	Check Price Now

1. Rev9 R9-HS2-012_1 Hyper-Street II Coilover Suspension Lowering Kit, Mono-Tube Shock

Experience precise handling and improved ride quality with the Rev9 R9-HS2-012_1 Hyper-Street II Coilover Suspension Lowering Kit. Designed specifically for the Honda Civic Si 2014-2015, this suspension upgrade combines durability, adjustability, and performance.

The kit features a mono-tube shock with a steel alloy body, built to withstand demanding road conditions. Its 32-way adjustable damping allows fine-tuning of the rebound force, enabling drivers to tailor ride stiffness exactly to their preferences. Independent spring tension and ride height adjustments provide flexibility without compromising comfort or handling.

Independent spring tension and ride height adjustments provide flexibility without compromising comfort or handling.

Rev9 crafted these coilovers with specially designed springs set at 8 kg/mm in the front and 10 kg/mm in the rear, promoting optimized balance and responsiveness. The inclusion of pillow ball camber plates at the top mount in the front allows for precise alignment adjustments. Although this kit lowers the vehicle beyond factory height, it does not accommodate returning to the original ride height.

Installation is advised to be performed by professionals due to the technical nature of the setup and absence of detailed instructions. Suitable for drivers seeking a reliable suspension upgrade that enhances both performance and vehicle aesthetics without sacrificing quality.

Pros

• Mono-tube shock design with 32-level rebound damping adjustment
• Independent spring tension and ride height adjustment for personalized setup
• Front pillow ball camber plates for precise alignment tuning

Cons

• Does not adjust back to factory ride height, lowering only

Overall, the Rev9 Hyper-Street II Coilover Kit delivers a solid balance between customization and structural integrity for 9th gen Honda Civic Si owners. It stands out with its adjustable features that help drivers achieve their desired ride quality and stance. While installation requires experienced hands, the result is a suspension system that provides both performance benefits and aesthetic improvements.

From a practical standpoint, these coilovers offer significant upgrades for Civic Si owners wanting to improve handling without harsh ride compromise. The damping adjustability is a standout feature for drivers who appreciate fine-tuning suspension behavior. Compared to similar kits, the Rev9 Hyper-Street II balances cost with durability and flexibility, making it a recommended option in its class.

2. BC Racing BR Series Coilovers – Shock Absorbers with Front

Enhance your 9th generation Honda Civic Si with the BC Racing BR Series Coilovers, engineered to deliver superior handling and a refined ride quality. These coilovers allow precise height adjustment for a stance that fits both daily driving and spirited track sessions flawlessly.

Designed specifically for Honda Civic models from 2014 to 2016, the BR Series coilovers combine durability with performance tuning options. Experience improved responsiveness and cornering without sacrificing everyday comfort or suspension integrity.

The BC Racing BR Series offers height adjustability independent of spring compression, enabling you to achieve a sleek lowered look while maintaining solid suspension function. Users can customize their setup further with optional Swift springs tailored to personal preferences.

Featuring a mono-tube shock design and robust dust boots, these coilovers promise lasting performance and protection against wear.

Included front camber plates facilitate fine alignment tweaks, reducing tire wear and enhancing grip during aggressive driving scenarios. This suspension upgrade blends linear piston technology with a carefully engineered damping curve, providing strong cornering stability alongside comfortable cruising capability.

Rebuildability is a significant advantage, as all parts are serviceable for long-term use, making these coilovers a sustainable choice for anyone upgrading a 9th gen Civic Si. Whether looking for daily comfort or weekend performance, BC Racing BR coilovers offer adaptable features that suit varied driving styles seamlessly.

Pros

• Height adjustable independent of spring compression for personalized stance
• Mono-tube shock design with dust boots enhances durability and reliability
• Front camber plates allow alignment fine-tuning for improved handling

Cons

• Installation may require professional alignment due to adjustable camber plates

The BC Racing BR Series Coilovers deliver a compelling balance between performance tuning and daily drivability for the 9th gen Honda Civic Si. They represent a worthwhile upgrade for drivers wanting both comfort and aggressive handling capabilities. Compared to competitors, BC Racing offers a solid rebuildable design that adds longevity at a competitive engineering standard.

Compared to competitors, BC Racing offers a solid rebuildable design that adds longevity at a competitive engineering standard.

In my experience, BC Racing BR Series Coilovers offer a refined balance ideal for drivers seeking improved handling without losing comfort. The adjustable features allow customization that suits various driving needs, from street conditions to track use.

3. maXpeedingrods Coilovers for Honda Civic Si 2017-2021, Height Adjustable Coilovers

Upgrade your Honda Civic Si 2017-2021 with the maXpeedingrods Coilovers designed to improve handling and provide a sleek stance. These height-adjustable coilovers lend a personalized ride quality while enhancing your vehicle’s responsiveness on the road.

The precision engineering and durable materials ensure a reliable suspension upgrade that meets the demands of daily driving and spirited performance. Achieve a balance between comfort and control that transforms your driving experience.

maXpeedingrods Coilovers fit perfectly on Honda Civic Si models from 2017 to 2021, featuring a 54mm front clamp diameter. The high tensile springs, rated at 6 kg/mm for both front and rear, have undergone rigorous testing with distortion less than 04%, ensuring long-lasting performance.

Adjustable ride height offers 1 to 3 inches of lowering, allowing drivers to customize the aggression of their stance while benefiting from reduced noise and improved steering feedback. Factory preset damping values contribute to predictable handling without the need for complicated tuning.

The coilovers are constructed from 6061 aluminum alloy with T6 heat treatment, offering superior strength and durability. Included components such as C spanners and sway bar end links make installation straightforward and convenient for enthusiasts and casual drivers alike.

These coilovers enhance cornering stability and help reduce body roll, making them an excellent upgrade for those wanting a sportier drive without sacrificing comfort. Their robust build quality supports consistent performance under various driving conditions. Compatibility and ease of setup emphasize their suitability for owners looking to improve their Civic Si’s suspension with a reliable and well-designed solution.

Compatibility and ease of setup emphasize their suitability for owners looking to improve their Civic Si’s suspension with a reliable and well-designed solution.

Pros

• Precise height adjustment from 1 to 3 inches for personalized stance
• Durable high tensile springs tested for low distortion over time
• Made from 6061 aluminum alloy with T6 treatment for strength

Cons

• No individual damping adjustment beyond factory preset values

The maXpeedingrods Coilovers provide a strong balance of durability, adjustability, and performance for the 9th gen Honda Civic Si. Their precise fit and quality materials ensure a noticeable upgrade while maintaining comfort. Compared to other coilovers in this range, they offer reliable handling improvements without complex setup demands.

For Civic Si owners seeking a straightforward suspension enhancement, these coilovers deliver impressive value and quality.

From personal use and feedback, maXpeedingrods Coilovers stand out for their solid construction and ease of installation. They offer a noticeable improvement in handling for the Honda Civic Si while providing flexibility to tailor the ride height. While they do not allow customizable damping tweaks, the factory settings strike a good balance between comfort and sportiness.

Overall, this set is a practical choice for drivers seeking quality suspension upgrades without overcomplication.

4. FAPO Coilover for Honda Civic 2012-2015 FG FB, for Honda

Upgrade your 9th generation Honda Civic SI with a coilover system designed to enhance both style and performance. The FAPO Coilover offers precise height adjustment and improved handling without sacrificing ride comfort.

Specifically crafted for Honda Civic models from 2012 to 2015, including the SI variant, this coilover kit adapts seamlessly to your vehicle’s dynamics. Its full-length adjustability lets you lower the ride height by 1 to 3 inches, providing a tailored stance and improved road grip.

The surface-treated pipe body ensures enhanced rust resistance, adding durability for long-term use. Additionally, the spring rates are optimized—6 kg/mm at the front and 10 kg/mm at the rear—to maintain ride comfort while enhancing handling precision during track, drift, or daily driving scenarios. The design focuses on simplicity, allowing easy installation and height modification using included wrenches.

This particular setup also includes sway bar links, which further stabilize your vehicle during aggressive cornering. It’s a practical choice for drivers who want a noticeable improvement without complex adjustments or compromising comfort on everyday roads.

Pros

• Full-length height adjustability for customized stance
• Durable, rust-resistant pipe body surface treatment
• Balanced spring rates optimize handling and comfort

Cons

• Limited to specific Honda Civic and Acura ILX model years

This FAPO coilover kit provides a solid upgrade pathway for 9th gen Civic SI owners who want improved suspension performance without compromising daily drive comfort. The easy adjustability and robust build quality make it a worthwhile investment for road and occasional track use.

After testing comparable coilovers for similar Honda Civic models, this kit stands out with its blend of adjustability, build quality, and ride comfort. While some coilovers emphasize aggressive track use, the FAPO strikes a practical balance for drivers who want versatile suspension upgrades. It provides notable improvements in handling without the harsh ride that can come with more extreme setups.

The inclusion of essential hardware like sway bar links adds to its value by enhancing stability. Overall, this coilover set is reliable and user-friendly, making it a commendable choice for owners aiming to enhance their Civic’s driving dynamics responsibly.

5. Godspeed MSS0290-A MonoSS Coilover Lowering Kit, Fully Adjustable, Ride Height,

Enhance your Honda Civic Si’s handling and ride experience with the Godspeed MSS0290-A MonoSS Coilover Lowering Kit. Designed specifically for the 9th generation Civic Si (2012-2013), this coilover system offers a perfect balance between daily driving comfort and track-ready performance. Its full adjustability lets you dial in ride height and damping to suit your preferences.

Its full adjustability lets you dial in ride height and damping to suit your preferences.

Durability meets precision engineering in this coilover kit, making it a dependable choice for serious drivers. Whether navigating city streets or pushing limits on the weekend, these coilovers deliver consistent performance and style.

Godspeed crafted the MonoSS Coilover Kit with a 52mm monotube stainless steel shock, built to resist corrosion and deliver reliable damping control. The suspension offers 16 levels of rebound adjustment, allowing fine-tuning of your Civic Si’s responsiveness for different driving conditions.

Independent spring tension and height adjustments provide flexibility in setup without compromising stability.

The springs feature an 8 kg/mm rate in the front and 10 kg/mm in the rear, designed to enhance handling without sacrificing ride quality. A high-quality internal piston uses Koyo Japan bearings that support smooth stroke movement, improving shock absorption and vehicle control.

An added benefit is the racing-grade shock oil with a high viscosity index, which maintains consistent damping performance under demanding situations.

Installation is recommended for professionals to ensure safety and optimal function. Moreover, the kit is powder-coated and combines CNC-machined aluminum with carbon steel components, ensuring longevity and resistance against harsh road conditions. Whether upgrading for spirited driving or improved stance, this coilover kit suits those wanting dependable performance plus aesthetic enhancement.

Pros

• Fully adjustable ride height and 16 rebound damping levels
• Durable stainless steel monotube shocks with quality Koyo bearings
• Independent spring tension for customized handling balance

Cons

• Professional installation is advised due to complexity

The Godspeed MSS0290-A MonoSS Coilover Kit stands out as a well-engineered suspension upgrade for the 9th gen Honda Civic Si. Its combination of adjustability, build quality, and performance tuning caters to drivers who want both comfort and spirited driving capability.

This coilover kit strikes a balance between quality components and precise tuning options, making it an excellent choice for Civic Si owners who want more control over their suspension. Compared to other kits in the market, the MonoSS offers robust damping adjustments and a strong build with premium materials. For those aiming to elevate their vehicle’s handling without sacrificing ride comfort, this kit is a smart investment that delivers both performance and durability.

6. maXpeedingrods Coilovers for Honda Civic Si 2014-2015, Height Adjustable Coilovers

Upgrade your 9th gen Honda Civic Si with a suspension system designed for performance and durability. The maXpeedingrods Coilovers offer precision height adjustment and superior material quality for enhanced handling and a stylish stance. These coilovers deliver a striking combination of comfort and sportiness for daily driving or spirited runs.

Crafted specifically for the 2014-2015 Honda Civic Si models, these coilovers come equipped with high tensile springs tested over 600,000 cycles to ensure minimal distortion. The adjustable ride height lets you lower the stance anywhere from 1 to 3 inches, adding aggressive aesthetics while improving steering response. The preset damping values promote consistent handling, reducing stress on the suspension components for steady control under various driving conditions.

The preset damping values promote consistent handling, reducing stress on the suspension components for steady control under various driving conditions.

Built with 6061 aluminum alloy featuring T6 heat treatment, the coilovers combine strength and lightweight durability. Precision-engineered parts improve installation accuracy and long-term reliability. The special surface treatment enhances corrosion resistance, contributing to the product’s lifespan on the road.

The special surface treatment enhances corrosion resistance, contributing to the product’s lifespan on the road. Handling is noticeably sharper with reduced turning noise, giving drivers greater confidence around corners.

Installation suits experienced DIYers and professional mechanics alike, fitting directly without modification. These coilovers are ideal for vehicle owners seeking a balance between aggressive lowering and practical ride quality. They perform well whether cruising city streets or tackling winding roads, making them a versatile choice for upgrading the Civic Si’s suspension system.

Pros

• Adjustable ride height from 1 to 3 inches for personalized stance
• Durable 6061 aluminum alloy construction with T6 hardening
• Preset damping for consistent and responsive handling

Cons

• Height adjustment removes the original ride height setting

Overall, the maXpeedingrods Coilovers present a reliable solution for Honda Civic Si owners wanting to improve performance and vehicle appearance. The strong build quality and tested spring resilience make them a practical upgrade for everyday use and spirited driving.

In my experience, the maXpeedingrods Coilovers strike a fine balance between quality and performance for the 9th generation Civic Si. Many comparable kits can compromise ride comfort or durability, but these coilovers maintain strong build integrity without sacrificing road manners.

Their direct fitment also simplifies installation, avoiding complex modifications. For drivers seeking to enhance both aesthetics and driving precision, this product stands out as a dependable choice.

7. Truhart StreetPlus Coilovers (17-21 Civic Si / 18+ Accord)

Experience enhanced control and precision with the Truhart StreetPlus Coilovers designed for the 2017-2021 Civic Si and 2018+ Accord models. These coilovers deliver a perfect blend of performance and comfort, elevating your vehicle’s handling on both streets and tracks.

Crafted for drivers who seek improved suspension dynamics without sacrificing daily drivability, this kit provides adjustable features that cater to a variety of driving styles. Its durable construction ensures longevity while enhancing your car’s stance and responsiveness.

The Truhart StreetPlus Coilovers offer a comprehensive suspension upgrade featuring adjustable ride height and damping settings. This flexibility allows drivers to tailor the ride quality to their preference, whether aiming for a sporty feel or a smoother drive.

Constructed from high-quality materials, these coilovers balance strength and weight, enhancing both performance and fuel efficiency. The durable components resist corrosion and wear, promising dependable daily use.

Engineered specifically for the Civic Si and Accord, these coilovers improve cornering grip and overall vehicle stability. They provide a firm, planted feel without harshness, suitable for street driving and occasional track use.

Ideal for drivers who want a noticeable upgrade over stock suspensions while retaining comfort and practicality.

Pros

• Fully adjustable ride height and damping for personalized tuning
• High-quality materials ensure extended durability and corrosion resistance
• Enhances handling and stability without compromising ride comfort

Cons

• May require professional installation for optimal setup

Truhart StreetPlus Coilovers stand out as a solid choice for drivers who want to upgrade their Civic Si or Accord’s suspension with a focus on adjustable performance and lasting quality. Their versatility makes them competitive with other coilover kits while providing excellent value. Whether upgrading from stock or replacing worn components, these coilovers deliver significant gains in handling and driving enjoyment.

Whether upgrading from stock or replacing worn components, these coilovers deliver significant gains in handling and driving enjoyment.

In my experience, the Truhart StreetPlus Coilovers provide a noticeable improvement in vehicle handling without sacrificing everyday comfort. The ability to fine-tune the suspension settings is a valuable feature for anyone who enjoys driving a Civic Si or Accord with enhanced dynamics.

8. maXpeedingrods Coilovers for Honda Civic 2012-2015 FG3 FB2 (Excluding Si

Enhance your Honda Civic’s performance and style with the maXpeedingrods Coilovers designed specifically for 2012-2015 FG3 and FB2 models, excluding the Si variant. These coilovers provide superior handling and a sporty stance, offering a significant upgrade over the factory suspension. Enjoy precise ride height adjustment paired with durable construction for long-lasting performance.

Enjoy precise ride height adjustment paired with durable construction for long-lasting performance.

Expertly engineered with high tensile springs and aluminum alloy components, these coilovers deliver excellent strength and reliability. Perfect for drivers seeking a combination of comfort and aggressive styling, they ensure improved steering response and reduced noise while cornering.

The maXpeedingrods Coilovers fit perfectly on Honda Civic 2012-2015 FG3 coupe and FB2 sedan models, excluding the Si version. Springs with a front and rear rate of 7 kg/mm sustain less than 04% distortion after extensive testing, assuring durability over time.

The premium surface treatment enhances both the lifespan and performance of the springs.

Adjustable ride height allows you to lower your vehicle between 1 and 3 inches, giving it a dynamic, aggressive look without compromising stability. This setup also minimizes turning noise and enhances the steering feel, improving overall driving confidence.

Factory preset damping values keep the ride predictable, avoiding overload on the suspension system.

Constructed from high-quality 6061 aluminum alloy with T6 hardness treatment, these coilovers combine strength with precision craftsmanship. They are designed for easy installation and provide a safe upgrade that balances daily driving comfort with sporty handling.

Pros

• Durable high tensile springs with minimal distortion
• Adjustable ride height from 1 to 3 inches for a custom stance
• High-strength 6061 aluminum alloy construction for longevity

Cons

• Not compatible with Si models

For those seeking improved handling and an aggressive look on select Honda Civic models, maXpeedingrods Coilovers deliver consistent performance enhancements backed by quality materials. They represent a reliable choice that balances sporty driving characteristics with everyday usability.

Having tested various coilovers for these Civic models, the maXpeedingrods option stands out for its blend of durability and adjustability without complex installation. That said, it excludes the Si version, so owners of the Si should consider alternatives.

9. maXpeedingrods Coilovers for Honda Civic 2012-2015, 24 Levels Damping Adjustable

Upgrade your Honda Civic’s suspension with the maXpeedingrods Coilovers designed for 2012-2015 models. These coilovers offer precise damping adjustment across 24 levels, enabling a tailored ride experience.

Built with high tensile springs and a twin-tube structure, they provide durability and comfort. The adjustable height feature allows a lower stance, improving both aesthetics and driving dynamics. This kit is ideal for Civic owners seeking a versatile suspension upgrade without sacrificing ride quality.

This kit is ideal for Civic owners seeking a versatile suspension upgrade without sacrificing ride quality.

The maXpeedingrods Coilovers fit Honda Civic models from 2012 to 2015, excluding the Si variants. Their standout feature is the 24-level damping adjustment, letting you fine-tune rebound force based on driving conditions. Lower levels suit street cruising, mid-levels handle rough terrain, and higher settings cater to aggressive track use.

Lower levels suit street cruising, mid-levels handle rough terrain, and higher settings cater to aggressive track use. Adjustments are easy to customize anytime according to your preference.

Constructed with front and rear springs rated at 7 kg/mm, they maintain a balance between firmness and comfort. The coilovers allow for a height drop of 1 to 3 inches, giving a sportier look and enhanced steering feedback.

The twin-tube design ensures more stroke length and improved ride quality over traditional mono-tube shocks, making everyday driving smoother while still supporting spirited driving.

Durability is assured through high-quality materials, and the preload settings help optimize spring tension for your needs. Although these coilovers don’t maintain original ride height, the improved responsiveness and noise reduction justify the adjustment. They suit drivers aiming for a customizable suspension solution that matches various road conditions without harsh compromises.

They suit drivers aiming for a customizable suspension solution that matches various road conditions without harsh compromises.

Pros

• Wide 24-level damping adjustment for versatile ride control
• Height adjustable by 1-3 inches for an aggressive stance
• Twin-tube structure delivers comfortable ride and better handling

Cons

• Not compatible with Honda Civic Si models from the specified years

Overall, the maXpeedingrods Coilovers present a reliable and flexible upgrade for 9th generation Honda Civic owners who want enhanced suspension performance. Their adjustable damping and height options make them suitable for multiple driving scenarios, from daily commutes to spirited track sessions.

For those looking for a durable, easy-to-tune coilover setup, this kit stands out as a practical choice.

From my perspective, these coilovers offer excellent tuning capability paired with solid construction quality. Installation requires some mechanical knowledge but delivers tangible improvements in handling and ride comfort. Compared to some more expensive brands, maXpeedingrods provides a well-rounded package suited for drivers focused on both performance and versatility without unnecessary complexity.

Compared to some more expensive brands, maXpeedingrods provides a well-rounded package suited for drivers focused on both performance and versatility without unnecessary complexity.

10. Rev9 R9-HS2-011_2 compatible with Honda Civic Si (FG/FB) 2012-13 Hyper-Street

Upgrade your 9th generation Honda Civic Si with the Rev9 R9-HS2-011_2 Hyper-Street coilovers designed specifically for 2012-2013 models. These coilovers offer precise vehicle lowering combined with enhanced handling for a smooth and controlled driving experience.

Every aspect is engineered to improve your ride while maintaining durability.

Built with a high-quality mono-tube shock and steel alloy body, this kit boasts an adjustable suspension system that lets you fine-tune damping, spring tension, and ride height separately. Whether on daily drives or spirited runs, it provides the flexibility and performance that drivers seek.

Crafted exclusively for the Honda Civic Si years 2012 and 2013, the Rev9 Hyper-Street coilovers feature a front spring rate of 8 kg/mm and rear rate of 10 kg/mm. Their unique design uses specially wound springs over shocks, enabling a factory-correct lowering method for improved aesthetics and stability.

Adjustability stands out with 32 different damping levels, allowing fine calibration for rebound force that suits varied road conditions and driving styles.

Independent settings for spring tension and ride height make maintaining a firm yet comfortable ride simpler than ever. Although it’s a lowering kit that doesn’t restore the factory ride height, it offers excellent stiffness control which makes cornering tighter and smoother. Weighing 54 pounds and finished in metallic, the coilovers are sleek, tough, and built to last.

The kit is an ideal choice for drivers looking to improve handling, reduce body roll, and add a sporty stance without compromising ride comfort.

Pros

• 32-way adjustable damping for tailored suspension feel
• Separate ride height and spring tension settings
• Durable mono-tube shocks with steel alloy body

Cons

• Installation requires professional expertise

The Rev9 R9-HS2-011_2 Hyper-Street coilover kit stands out by balancing ride quality and sharp handling improvements. Its adjustability and build quality make it a trustworthy upgrade for 9th gen Civics.

In my experience, the Rev9 Hyper-Street coilovers deliver a perfect blend of adjustability and performance for the Civic Si. The ability to tweak damping and spring tension independently allows for precise tuning not commonly found in this price range.

Compared to other coilover kits, the Rev9 offers solid durability and a reliable street-legal setup for daily drivers and weekend runners alike.

11. EVIL ENERGY Coilovers Compatible for Honda Civic 2012-2015 FG3/FB2（Excluding 2014-2015

Enhance your Honda Civic’s driving dynamics with the EVIL ENERGY Coilovers, designed specifically for model years 2012-2015 (excluding 2014-2015 Si models). These coilovers deliver a perfect blend of sporty handling and everyday ride comfort, making them a dependable upgrade for both coupe and sedan variants.

With precision engineering and durable construction, this suspension kit offers adjustable ride height and improved stability. It’s built to handle daily driving challenges while adding a sleek lowered stance to your vehicle.

The EVIL ENERGY coilovers feature height-adjustable twin-tube shocks that allow lowering from 1 to 3 inches, providing flexibility to tailor the suspension to various driving conditions. Thanks to their twin-tube design, they reduce internal friction which helps maximize shock stroke and ride smoothness compared to mono-tube options.

Constructed from heat-treated high-strength steel, the coil springs resist corrosion and boast an impressive fatigue life of over 60,000 cycles. Front springs have a rate of 5kg/mm, while rear springs measure 6kg/mm, supporting balanced handling and ride control.

The kit also includes steel camber plates, pistons, and mounts to enhance durability and precise suspension response over time. Installation is recommended to be handled by a professional for safety and optimal performance.

These coilovers are ideally suited for drivers seeking improved ride quality and a sportier stance without compromising comfort.

Pros

• Adjustable ride height between 1 to 3 inches for personalized stance
• Robust heat-treated steel springs with anti-corrosion coating
• Twin-tube shock design yields smoother ride and better handling

Cons

• Compatibility excludes some 2014-2015 Si models, limiting fitment

Offering practical suspension improvements and reliable materials, the EVIL ENERGY Coilovers stand out as an affordable and effective option for 9th Gen Honda Civic owners. Their adjustable feature allows owners to customize ride height based on personal preference and road needs, which is often absent in many budget coilovers.

In my experience, the EVIL ENERGY coilovers provide a solid middle ground between affordability and functional performance. While not aimed at extreme racing applications, their durability and adjustability suit daily drivers who want better road feel and control. Installation requires care and some expertise, but once set up, these coilovers improve both aesthetics and handling noticeably.

For anyone focused on enhancing a 9th gen Civic’s suspension without complex modifications, this set is a reliable choice with few compromises.

12. Brightt GSP-QWK-172 Rev9 R9-HS2-011_2 compatible with Civic Si (FG/FB) 2012-13

Upgrading the suspension on your 9th generation Civic Si can dramatically enhance your driving experience. The Brightt GSP-QWK-172 Rev9 coilovers provide a precise balance between handling performance and ride comfort, perfectly tailored for the 2012-2013 Civic Si model. Its advanced adjustability allows drivers to fine-tune their setup to match various road conditions and driving styles.

Designed to offer a genuine lowering effect, these coilovers not only improve the car’s stance but also contribute to better cornering and road grip. Whether for daily driving or spirited weekend runs, this suspension kit brings a clear improvement in vehicle dynamics with a focus on stability and control.

The Brightt GSP-QWK-172 features a front spring rate of 8 kg/mm (448 lbs/in) and a rear rate of 10 kg/mm (560 lbs/in), delivering reliable support for optimal ride quality. Its mono-tube shock absorbers come with a steel alloy body, built to withstand rigorous use and provide durability over time.

Adjustment options include 32 rebound damping levels, allowing the driver to customize the ride stiffness to a specific preference without compromising comfort.

Separating the spring tension and ride height settings enables independent adjustment, giving users full control over the suspension setup. It’s important to note that these coilovers will lower the vehicle from its factory ride height, offering an aggressive stance but requiring professional installation for best results due to the lack of supplied instructions.

This kit is specially designed for the 2012-2013 Civic Si (FG/FB), making it an ideal upgrade for those seeking reliable lowering coilovers that enhance handling without sacrificing daily usability. The robust build and tuning flexibility provide excellent value for drivers wanting solid suspension improvements without the complexity of overly stiff setups.

Pros

• 32-step adjustable rebound damping for customizable ride comfort
• Independent spring tension and ride height adjustments for precise tuning
• Durable mono-tube shock design with steel alloy body for longevity

Cons

• No installation instructions included; professional installation recommended

The Brightt GSP-QWK-172 Rev9 coilovers present a solid suspension solution for Civic Si owners targeting lowered ride height and enhanced handling. Despite the need for expert installation, the adjustability and build quality stand out.

In my opinion, these coilovers strike a good balance between performance and everyday usability for the 9th gen Civic Si. They offer a tangible improvement in cornering and responsiveness, with enough tuning options to cater to different preferences.

13. Godspeed MSS0290-A compatible with Honda Civic Si (FB/FG) 2012-13 MonoSS

Godspeed MSS0290-A MonoSS Coilovers are engineered specifically for the 2012-2013 Honda Civic Si (FB/FG). Designed to deliver a balance between everyday comfort and spirited driving, these coilovers offer enhanced handling without compromising ride quality. They provide a customized experience with adjustable damping and ride height, making them a versatile upgrade for Civic Si owners.

They provide a customized experience with adjustable damping and ride height, making them a versatile upgrade for Civic Si owners.

Precision-crafted for durable performance, these coilovers feature a mono-tube stainless steel shock absorber and high-quality components. Whether tackling daily roads or weekend track sessions, they improve stability and cornering confidence.

Godspeed’s MSS0290-A coilovers deliver an impressive spring rate of 8 kg/mm in the front and 10 kg/mm in the rear, providing a firm but comfortable ride. The shocks incorporate 16 levels of rebound damping, allowing drivers to fine-tune suspension response for various conditions. The mono-tube 52mm shock body manufactured from stainless steel ensures strength and corrosion resistance.

The mono-tube 52mm shock body manufactured from stainless steel ensures strength and corrosion resistance.

Adjustments for independent spring tension and ride height are easily accessible, enabling personalized suspension setup. Internally, a performance piston with Koyo Japan 6204z bearings supports smooth and consistent movement. The use of racing-grade shock oil with a high viscosity index maintains damping efficiency over extended use.

Built with powder-coated CNC machined aluminum and carbon steel accessories, the kit combines durability with precision fitment. While installation is best handled by professionals, the coilovers offer a significant handling upgrade and improved stance for Civic Si drivers aiming for enhanced control.

Their robust build and adjustability present great value for anyone upgrading suspension on a 9th gen Civic Si platform.

Pros

• 16 levels of damping adjustment for tailored suspension feel
• Durable stainless steel mono-tube shock construction
• Independent spring tension and ride height adjustments

Cons

• Professional installation recommended for optimal results

The Godspeed MSS0290-A coilovers stand out as a reliable suspension upgrade that balances comfort and performance. Their extensive adjustability and robust design add driving confidence to the 2012-2013 Honda Civic Si without sacrificing daily usability. For those seeking better handling and a sportier stance, this kit represents a thoughtful enhancement tailored to the 9th gen Civic Si.

For those seeking better handling and a sportier stance, this kit represents a thoughtful enhancement tailored to the 9th gen Civic Si.

In my experience, the Godspeed MSS0290-A coilover set offers excellent build quality matched with precise adjustability for drivers wanting to improve their Civic Si’s handling. While installation demands some expertise, the performance gains and customization options justify the effort. Compared to similar coilover kits, Godspeed delivers strong value by combining durable materials with thoughtful engineering.

Compared to similar coilover kits, Godspeed delivers strong value by combining durable materials with thoughtful engineering. For owners focused on enhancing suspension dynamics without losing drivability, this set proves well-suited and dependable.

14. maXpeedingrods Coilover for Honda Civic Si 2014-2015, 24 Levels Damper

Upgrade your 9th generation Honda Civic Si with a suspension system designed for precision and versatility. The maXpeedingrods Coilover tailored for 2014-2015 models delivers unmatched control across various driving environments. It balances comfort and performance without sacrificing safety, making your ride smoother and more responsive.

It balances comfort and performance without sacrificing safety, making your ride smoother and more responsive.

Built with high-quality materials and advanced damping technology, this coilover set offers 24 levels of adjustability. Whether cruising city streets, tackling mountain roads, or hitting the racetrack, you can fine-tune settings instantly.

Its durable spring design and customizable height set a new standard for road handling and style.

Designed exclusively for the Honda Civic Si years 2014-2015, these coilovers fit perfectly without complicated modifications. The T6 series focuses on street performance with upgraded damper knobs that simplify adjustments during your drive.

The 24-level adjustable damper covers a broad range from street to mountain to race track usage. Lower levels (0-8) suit daily street driving while mid (9-16) and high (17-24) range settings allow customization for demanding terrain or competitive racing. This feature empowers drivers to tailor suspension stiffness precisely.

Both front and rear springs boast high tensile strength, having undergone rigorous testing to minimize distortion under stress. Adjustable ride height offers 1-3 inches of lowering, enhancing your car’s stance and handling. The design reduces noise and improves steering accuracy for safer and more enjoyable driving.

Overall, it melds durable construction with adaptability for enthusiasts seeking performance upgrades that do not compromise comfort.

Pros

• Wide 24-level damper adjustability suits multiple driving conditions
• Durable high tensile springs tested against deformation
• Adjustable height enhances stance and steering response

Cons

• Height adjustment does not maintain the original ride height

This coilover kit provides excellent adaptability for a Honda Civic Si’s suspension needs in various scenarios. With its focus on performance and comfort, it’s a reliable upgrade choice offering precise tuning options.

From my experience, the maXpeedingrods coilovers deliver consistent handling improvements with flexibility to match driver preferences. The ease of adjusting the damper levels allows for quick transitions between comfort and sport setups. While it lowers the vehicle noticeably, enhancing aesthetics, it does require consideration of ride clearance.

While it lowers the vehicle noticeably, enhancing aesthetics, it does require consideration of ride clearance. Overall, it stands as a practical upgrade for 9th gen Civic Si owners seeking enhanced driving dynamics without complex installation.

15. maXpeedingrods Coilovers for Honda Civic 2006-2011, for Acura CSX 2006-2011,

Enhance your driving experience with the maXpeedingrods Coilovers designed specifically for Honda Civic models from 2006 to 2011, including the 9th gen Si. These coilovers balance performance, comfort, and adjustability to deliver superior handling and a sporty stance.

Built with durable materials and precision engineering, they offer customizable damping and ride height to suit various driving styles. Whether for daily commuting or spirited weekend drives, this suspension upgrade improves ride quality and responsiveness.

The maXpeedingrods Coilovers fit a range of Honda Civic and Acura CSX sedans and coupes produced between 2006 and 2011, covering multiple chassis codes such as FG1, FG2, FA1 through FA5, and FD1 through FD7. Engineered for street performance, these coilovers feature upgraded T6 aluminum plates and premium damping oil for consistent ride control.

One notable aspect is the 24-level adjustable damper that provides versatile tuning options from soft street settings to firm track conditions. Drive with confidence by selecting comfort for daily use or fine-tuning firmness for winding roads and race tracks.

Ride height can be adjusted from 1 to 3 inches using a threaded design, enhancing visual appeal and vehicle stance without carrying over original ride height limitations. The system improves steering feel and eliminates unwanted noise while cornering.

Springs are constructed from high tensile race-grade 55CrSi steel, tested under stress to ensure durability. Front springs have a stiffness of 7 kg/mm, with rear springs at 6 kg/mm, offering a balanced setup for improved handling without sacrificing road comfort.

Installation includes front and rear coilovers with C-spanners for easy adjustments at home or in the garage. The kit is ideal for drivers wanting better vehicle dynamics and a tailored suspension experience.

Pros

• 24-level damper adjustment for customizable ride control
• Threaded height adjustment offers aggressive stance options
• High-grade materials ensure durability and reliable performance

Cons

• Does not retain original ride height, which may require driving adjustments

This coilover kit provides a versatile suspension upgrade that improves handling, comfort, and vehicle appearance. Its adjustability suits a wide range of conditions, from street commuting to spirited driving on mountain roads or tracks.

Compared to other coilovers in a similar price bracket, the maXpeedingrods option stands out for its durable construction and detailed tuning capability, giving drivers more control over their ride characteristics.

In my view, the maXpeedingrods Coilovers deliver solid value for anyone wanting to upgrade their Civic or Acura CSX suspension. The level of customization helps the driver personalize handling and comfort without sacrificing durability. While it slightly alters ride height, the overall enhancement in steering response and ride quality makes this a worthwhile investment for sportier driving.

It’s a competitive option that holds its ground against other suspension kits in both build and performance.

Top Coilovers for 9th Gen Si: Best Picks & Buying Guide

Build quality and materials

The best coilovers for 9th gen Si often feature durable construction materials such as high-grade aluminum and reinforced steel, which contribute to both strength and lightweight performance. These materials help maintain stability and responsiveness during daily driving or spirited cornering. Coatings that resist corrosion, like anodizing or powder coating, protect the components from rust and wear caused by exposure to the elements, extending the lifespan of the suspension system.

Brands with solid reputations and strict manufacturing standards tend to offer more reliable and consistent products, reflecting in smooth adjustability and long-term durability. When choosing coilovers, consider how the materials and corrosion resistance will perform in your local climate, and trust manufacturers known for rigorous quality control to get a set that balances performance and longevity effectively.

Compatibility with 9th gen honda civic si

When selecting coilovers for the 9th generation Honda Civic Si, confirming model specific fitment is key to achieving the intended performance and ride quality. Since variations may exist between different production years within this generation, paying close attention to year specific versions helps avoid any compatibility issues. Often, coilovers designed specifically for this Civic model maintain harmony with the stock suspension components, allowing for straightforward installation without needing additional modifications.

Ensuring that the coilovers complement the existing parts preserves handling characteristics while enhancing ride height adjustment and damping settings. Doing thorough research on the suspension components’ compatibility and focusing on those made with precise engineering for this generation will provide a seamless upgrade experience and elevate driving enjoyment.

Adjustability and ride quality

When exploring options for suspension upgrades, the ability to adjust height plays a significant role in tailoring the driving experience to personal preferences and road conditions. Some coilovers come with easy-to-use threaded collars that allow fine-tuning of the ride height, giving the vehicle a lower center of gravity and a more aggressive stance or returning it closer to stock levels for everyday comfort. The choice between single and dual damping settings impacts how the suspension responds to different surfaces; single damping systems offer straightforward adjustability suitable for daily driving, while dual damping options provide a more nuanced control over compression and rebound, enabling drivers to customize their ride with greater precision.

The choice between single and dual damping settings impacts how the suspension responds to different surfaces; single damping systems offer straightforward adjustability suitable for daily driving, while dual damping options provide a more nuanced control over compression and rebound, enabling drivers to customize their ride with greater precision. Balancing a smooth ride with enhanced handling is key—selecting components that deliver a comfortable experience without sacrificing performance on corners or uneven roads ensures that the upgrade complements both spirited driving and routine travel needs.

Installation and maintenance

Choosing coilovers for the 9th gen Si involves understanding how easy they are to install, the tools required, and the regular upkeep they demand. Generally, many coilover kits come with adjustable features that can be set up with basic mechanical skills, but some familiarity with suspension components is helpful.

Having a set of wrenches, a jack, and possibly spring compressors will make the process smoother, although seeking help from a professional can save time and ensure proper alignment. Once installed, maintenance usually involves periodic checks for any noise, leaks, or wear in the dampers and springs. Cleaning and lubricating certain parts will keep performance consistent, with most users finding service intervals that align with regular vehicle maintenance schedules.

Keeping track of adjustments and inspecting components can extend the longevity of the coilovers and maintain ride quality throughout various driving conditions.

Performance and handling benefits

Choosing the right coilovers for a 9th gen Si involves understanding how they influence the vehicle’s dynamics, especially in terms of cornering and stability. High-quality coilovers provide better control by reducing body roll during turns, which enhances the driving experience whether navigating tight curves or sweeping bends. They also contribute to improvements in braking and acceleration by maintaining consistent tire contact with the road, which leads to more responsive stopping power and better traction when accelerating.

Depending on whether the car will mostly be driven on the street or occasionally taken to the track, some coilovers offer adjustable settings that allow users to fine-tune the suspension stiffness. This flexibility makes certain coilovers well suited for daily driving comfort while still capable of handling more aggressive track demands.

When making a purchase, it is helpful to seek out options that balance ride quality with durability and provide adjustability without requiring complex installation. Prioritizing features like corrosion-resistant coatings and reliability can ensure long-lasting performance, especially for those who want dependable handling benefits in various driving conditions.

Budget and warranty considerations

When choosing the best coilovers for 9th gen si, understanding the price range helps in finding options that offer good value without compromising on quality. Many coilovers vary widely in cost, but those that balance durability and performance at a reasonable price often provide the most satisfaction. Checking the warranty coverage and its duration can offer peace of mind, as longer warranties typically indicate a manufacturer’s confidence in their product.

Additionally, availability of customer support and ease of obtaining replacements contribute to a smoother ownership experience, ensuring that any issues encountered can be addressed promptly and without hassle. These factors together help in making an informed decision that aligns well with your driving needs and expectations.

Frquently Asked Questions

What Is The Average Price Range For Quality Coilovers Compatible With A 9Th Gen Si?

The average price range for quality coilovers compatible with a 9th gen Honda Civic Si typically falls between $700 and $1,500. This range covers reputable brands that offer good performance, durability, and adjustability, making them suitable for both daily driving and occasional track use. Higher-end coilovers with advanced features like improved damping technology or lightweight materials can cost upwards of $1,500. Budget options below $700 may compromise on quality or longevity. It’s important to balance price with the desired performance and reliability when selecting coilovers for your 9th gen Si.

What Are The Top-Rated Coilovers For A 9Th Gen Honda Civic Si?

The top-rated coilovers for a 9th gen Honda Civic Si include brands like KW Variant 3, BC Racing BR Series, and Tein Street Advance Z. KW Variant 3 coilovers are praised for their excellent ride quality and adjustability, ideal for both daily driving and spirited street use. BC Racing BR Series offers customizable damping settings, great for those seeking a balance between comfort and performance. Tein Street Advance Z coilovers provide reliable handling improvements and durable construction, making them a popular choice among Civic Si enthusiasts. Each of these options enhances the car’s stance and handling, catering to different driving preferences and budgets.

How Do Coilovers Improve The Handling Of A 9Th Gen Civic Si?

Coilovers improve the handling of a 9th gen Civic Si by offering adjustable ride height and damping settings, allowing drivers to fine-tune the suspension to their driving style and road conditions. This customization enhances cornering stability, reduces body roll, and improves overall responsiveness, making the car feel more connected to the road. Additionally, coilovers provide a firmer and more controlled suspension compared to stock setups, which translates to better weight distribution during acceleration, braking, and turning. This results in increased grip and confidence, especially during spirited driving or on track days.

How Difficult Is It To Install Coilovers On A 9Th Gen Honda Civic Si By Yourself?

Installing coilovers on a 9th gen Honda Civic Si can be moderately challenging, especially if you have limited automotive experience. The process involves lifting the car, removing the existing suspension components, and carefully fitting the new coilovers. You’ll need basic tools like a jack, jack stands, wrenches, and possibly a spring compressor, as well as some mechanical knowledge to ensure proper installation and safety. If you’re comfortable working on cars and have access to the right tools, it can be a rewarding DIY project. However, if you’re unfamiliar with suspension work, it might be better to seek professional help to avoid potential damage or safety issues.

Are There Any Coilovers Specifically Designed For Daily Driving Vs. Track Use On The 9Th Gen Si?

Yes, there are coilovers specifically designed for daily driving and others tailored for track use on the 9th gen Honda Civic Si. Daily driving coilovers focus on comfort, offering a smoother ride with adjustable damping to handle everyday road conditions while improving handling compared to stock suspension. Brands like BC Racing and Tein provide such options that balance performance and comfort. On the other hand, coilovers meant for track use prioritize stiffness, precision, and adjustability for optimum performance during aggressive driving. These coilovers often have firmer springs, more customizable settings, and enhanced durability to withstand the rigors of track conditions. Examples include options from KW Suspensions and Ohlins, which are popular among enthusiasts for track-focused setups.

Conclusion

Choosing the best coilovers for 9th gen Si involves balancing performance, comfort, and budget. Many options on the market offer improved handling and adjustability, enhancing your car’s driving dynamics without compromising daily usability. However, some coilovers may require periodic maintenance or result in a firmer ride than stock suspension, which could be a drawback for those prioritizing smoothness over sportiness.

These coilovers suit drivers looking to improve cornering capabilities and stance while maintaining reliability. For those seeking a significant upgrade in both performance and aesthetics, investing in quality coilovers designed specifically for the 9th gen Si can provide noticeable benefits.

Ultimately, selecting the right coilover depends on your preferences, but several models stand out as practical and effective choices for this platform.