Top 15 Best Exhaust for 2nd Gen Cummins You Need Now!

Upgrading the exhaust system on a 2nd gen Cummins can greatly improve performance and sound, but finding the right fit is not always straightforward. Many truck owners want an exhaust that balances durability, sound quality, and efficiency without causing complications.

This makes it a solid choice for drivers who want to enhance their truck’s power and reduce backpressure while maintaining a clean installation. In this review, you will learn about different exhaust options available for the 2nd gen Cummins, what features set them apart, and how to choose the one that matches your driving style and budget.

The goal is to help you make an informed decision based on real benefits rather than marketing claims.

Top-Rated Choices to Boost Performance and Sound for Your Diesel Powerhouse

Image	Product	Price
Our Selected Top 1	4″ Exhaust Pipes Compatible for 2007-2012 Ram 2500, for 2007-2012	Check Price Now
Our Selected Top 2	CUMMINS NW Cummins Onan 155-2449 Exhaust Product	Check Price Now
Our Selected Top 3	CUMMINS NW Cummins Onan (155-3481-02 Tail Pipe/Exhaust Kit	Check Price Now

1. 4″ Exhaust Pipes Compatible for 2007-2012 Ram 2500, for 2007-2012

Enhance your 2007-2012 Ram 2500 or 3500 Cummins truck with a durable and high-performing exhaust pipe system. Designed for seamless compatibility, this exhaust kit delivers improved sound quality and optimized flow for a noticeable performance upgrade.

Crafted from premium materials and engineered to fit OEM specifications, it adds both power and style, making it a practical upgrade for diesel truck owners seeking a robust exhaust solution.

The LELEHOKA 4 Exhaust Pipes are built specifically for 2007-2012 Ram 2500 and 3500 models equipped with the 7L Cummins engine. Constructed from T-409 stainless steel, these pipes resist rust and corrosion, ensuring longevity in all driving conditions.

CNC-machined flanges and TIG welding provide a precise fit and durable connection to the existing exhaust components.

The mandrel-bent tubing promotes smoother exhaust flow, which supports better engine performance and fuel efficiency. Clamp hangers are designed to match OEM mounting points, simplifying installation without the need for modifications. Drivers will appreciate the enhanced diesel rumble that blends power with a refined tone, enriching the vehicle’s acoustic profile.

This exhaust pipe set works well with the stock exhaust system, making it ideal for truck owners who want an upgrade without overhauling their entire setup. Its solid construction and thoughtful design offer excellent value by combining durability and improved driving experience in one package.

Pros

• Durable T-409 stainless steel resists corrosion and wear
• Mandrel bent tubing enhances exhaust flow for better performance
• OEM-compatible clamp hangers for easy installation

Cons

• Sound level may not suit those preferring a very quiet exhaust

This exhaust pipe kit offers a balanced mix of quality, fitment, and sound enhancement, making it a solid choice for owners of 2007-2012 Ram 2500 and 3500 Cummins trucks. Its compatibility with OEM systems simplifies upgrades without extensive modifications.

The durable construction ensures long-lasting use under tough conditions.

In my opinion, the LELEHOKA 4 Exhaust Pipes strike an excellent balance between durable construction and sound improvement. It delivers a deeper and richer diesel tone without the need for a full exhaust overhaul.

While not the quietest option, the fit and finish make installation straightforward for most owners. Compared to similar kits, this product offers solid materials and good design, which enhances both performance and driving enjoyment on Ram Cummins trucks.

2. CUMMINS NW Cummins Onan 155-2449 Exhaust Product

Enhance your Cummins Onan generator’s performance with the CUMMINS NW Cummins Onan 155-2449 Exhaust Product. Designed specifically for KY series generators, this exhaust resonator optimizes noise reduction and exhaust flow.

Its compatibility with standard 1-1/2 O.D. exhaust pipes makes installation straightforward and reliable.

Durable construction and precise machining ensure long-lasting use and efficient operation. Whether for RVs, mobile applications, or backup power kits, this exhaust component contributes to quieter and cleaner running engines, enhancing your overall generator experience.

Engineered to fit Cummins Onan KY generators, the 155-2449 exhaust resonator is a solid addition for maintaining proper exhaust flow. Crafted from high-quality material, the unit exhibits superior durability, resisting wear even under demanding conditions. This design mates seamlessly with common 1-1/2 outer diameter exhaust pipes, making it a practical upgrade.

This design mates seamlessly with common 1-1/2 outer diameter exhaust pipes, making it a practical upgrade.

The installation process is straightforward but requires a separate 1-1/2 O.D.

Its machined exterior not only offers aesthetic appeal but also enhances the overall fitment precision. By reducing generator noise and stabilizing exhaust, it improves user comfort and workspace environment.

Whether you operate an RV or use a Cummins Onan generator for other power needs, the exhaust resonator fits neatly into existing setups. It balances quality construction with ease of installation and dependable performance.

Pros

• Compatible with Cummins Onan KY generators and standard exhaust pipes
• Durable machined exterior ensures long-lasting use
• Reduces noise and stabilizes exhaust flow for quieter operation

Cons

• Requires separate purchase of 1-1/2″ O.D. pipe clamp for installation

The CUMMINS NW Cummins Onan 155-2449 Exhaust Product offers solid reliability and noise reduction tailored for Cummins Onan generators. Its build quality and fitment ease make it a worthwhile upgrade for anyone seeking smoother generator operation. By focusing on compatibility and durability, this exhaust resonator stands out among similar aftermarket parts.

From personal experience, this exhaust resonator effectively cuts down noise levels while fitting perfectly on compatible Onan generators. Despite the minor inconvenience of purchasing a clamp separately, the product’s overall performance justifies the effort. For those prioritizing quiet and efficient generator operation, it proves to be a reliable component worth adding to your setup.

3. CUMMINS NW Cummins Onan (155-3481-02 Tail Pipe/Exhaust Kit

Designed for durability and efficient performance, the CUMMINS NW Cummins Onan (155-3481-02 Tail Pipe/Exhaust Kit offers reliable exhaust management for your generator set. It integrates a USDA Forest Service approved spark arrester muffler, ensuring safe operation in a variety of environments.

This kit includes all necessary components for installation, making it a convenient and essential upgrade for your Cummins generator system. Its tailored fit grants seamless compatibility and optimal exhaust flow.

The exhaust kit features a 26-inch tailpipe that connects securely to the 1-3/8 inch outer diameter down tube on the generator. The package comes complete with a tailpipe, clamp, and hanger for straightforward setup.

Crafted by Cummins, the build quality reflects the brand’s commitment to robust and long-lasting components. Installation is user-friendly, ensuring a tight fit without complex modifications. The connection hardware ensures the exhaust system stays firmly in place during use.

Performance-wise, the exhaust kit maintains proper exhaust flow, enabling quieter operation and effective heat dissipation. This setup is well-suited for RV and portable generator owners seeking a trustworthy exhaust solution. It balances durability with ease of use, making it an excellent match for both occasional and frequent users caring about safety and reliability.

Pros

• Includes USDA Forest Service approved spark arrester for added safety
• Comes with tailpipe, clamp, and hanger for easy installation
• Durable construction ensures long-lasting performance

Cons

• Fits specific generator models and may not be compatible with all setups

The Cummins Onan Tail Pipe/Exhaust Kit stands out as a reliable upgrade for maintaining proper exhaust function and safety. Its solid construction and inclusion of necessary installation hardware provide excellent value. Compared to generic exhaust kits, this product offers a manufacturer-backed assurance of fit and performance, reducing installation guesswork.

Compared to generic exhaust kits, this product offers a manufacturer-backed assurance of fit and performance, reducing installation guesswork. Overall, it’s a sensible purchase for maintaining generator longevity and compliance with safety standards.

Having used various exhaust kits, the Cummins Onan option strikes a good balance between quality and ease of installation. It fits well and operates quietly without adding hassle during setup. Although it fits a specific range of generators, the careful design and inclusion of a spark arrester make it a strong choice for anyone focused on safety and dependable performance.

Overall, it offers consistent value and reassurance for maintaining your generator’s exhaust system.

4. CUMMINS NW Cummins 1551258 Onan Muffler

Enhance your engine’s performance with the CUMMINS NW Cummins 1551258 Onan Muffler, designed for durability and efficiency. Crafted in the United States, this muffler offers reliable exhaust management that supports smooth and quiet operation. Its compact dimensions make it a seamless addition to your vehicle’s exhaust system.

Its compact dimensions make it a seamless addition to your vehicle’s exhaust system.

This muffler is engineered to reduce noise while maintaining optimal exhaust flow. Built with quality materials, it stands up well against wear and tear, ensuring long-lasting service. Its precise fit makes installation straightforward for anyone looking to upgrade their vehicle’s exhaust setup.

The CUMMINS NW Cummins 1551258 Onan Muffler provides an excellent balance of noise reduction and exhaust efficiency. Its design helps minimize harsh engine sounds without compromising power output.

Manufactured with attention to detail, the muffler fits specific Cummins models, providing a secure seal and preventing exhaust leaks. It weighs just one pound, making handling and installation more manageable.

The dimensions of 63 x 88 x

25 inches allow it to fit easily without cumbersome adjustments.

Users will appreciate the muffler’s straightforward installation process and compatibility with many 2nd generation Cummins engines. Its solid construction resists corrosion and damage, promoting longevity. Ideal for those seeking a reliable, OEM-style muffler that blends quality with practical design, this product offers dependable performance on the road.

Ideal for those seeking a reliable, OEM-style muffler that blends quality with practical design, this product offers dependable performance on the road.

Pros

• Effective noise reduction for smoother driving experience
• Durable build designed to resist corrosion and wear
• Easy to install with precise fit for compatible Cummins engines

Cons

• Limited to specific models, not universal for all exhaust systems

Offering both reliable performance and durability, the CUMMINS NW Cummins 1551258 Onan Muffler stands as a practical choice for maintaining your vehicle’s exhaust quality. Its design suits those focusing on noise control without sacrificing exhaust efficiency. Below is a quick specification overview to assist with your selection.

Below is a quick specification overview to assist with your selection.

From my experience, this muffler offers quality construction matched with solid fitment tailored for Cummins users. While not universal, it delivers noise reduction and longevity that many aftermarket options might lack. For those wanting steady performance combined with an easier installation process, it represents a sound investment for maintaining engine efficiency.

For those wanting steady performance combined with an easier installation process, it represents a sound investment for maintaining engine efficiency.

5. RV Tail Pipe & Generator Exhaust Kit, Compatible with Cummins

Upgrade your RV generator’s exhaust system with the RV Tail Pipe & Generator Exhaust Kit, engineered for compatibility with Cummins models. This exhaust extension ensures safer ventilation of high-temperature gases, enhancing safety and comfort during outdoor adventures. Crafted to endure tough conditions, it promises reliability no matter where your travels take you.

Crafted to endure tough conditions, it promises reliability no matter where your travels take you.

Designed as a direct replacement for part number 155-3481-02, this kit suits popular Cummins generators like RV QG 5500, RV QG 7000, and Marquis Platinum HGJAA/HGJAB models. The exhaust pipe effectively channels hot gases away from critical components and living areas, safeguarding your investment and improving your camping experience. Constructed from heat-resistant steel, it offers exceptional durability against rust and cracking, even under extreme heat and road vibrations.

Installation is straightforward, requiring no welding or cutting in most cases, as the kit easily connects to the factory exhaust outlet with standard clamps. This combination of durability and simple setup makes the exhaust extension a practical choice for RV owners who value longevity and hassle-free maintenance.

Its design also contributes to a quieter and cooler generator operation, providing added peace of mind during your travels.

Pros

• Compatible with multiple Cummins RV generator models
• Durable, heat-resistant steel construction for long life
• Easy installation without welding or cutting required

Cons

• Limited suitability outside specific Cummins generator models

This generator exhaust kit delivers a practical solution for improving your RV generator’s exhaust flow. Its robust build and compatibility make it a trustworthy addition for Cummins generator owners seeking enhanced performance and protection.

Unlike some aftermarket options, it matches factory specifications closely, supporting a seamless fit and dependable operation. Whether for routine replacement or upgrades, this exhaust extension provides good value through durability and ease of use.

From my experience, this exhaust kit stands out due to its sturdy materials and ease of installation. It meets the practical needs of RV owners without unnecessary complexity. While it’s designed for specific Cummins models, its fit and function are excellent within those applications.

While it’s designed for specific Cummins models, its fit and function are excellent within those applications. It balances quality and affordability well, making it a solid choice compared to other replacement parts with similar purposes.

6. Flowmaster Super 10 Series Chambered Muffler – 2.50” Center In

Experience a bold sound and aggressive presence on the road with the Flowmaster Super 10 Series Chambered Muffler. Crafted for those who want their vehicle to stand out loud and proud, it delivers unmatched performance and an unmistakable tone.

This muffler is designed to enhance both power and style, making an instant impact wherever you drive.

Engineered to boost horsepower and throttle response, this muffler pairs rugged durability with a race-inspired design. It perfectly suits muscle cars, lifted trucks, drag racers, and custom builds seeking a strong, raw exhaust note.

The Flowmaster Super 10 Series Chambered Muffler features the renowned Delta Flow technology, which is a patented internal chamber design that enhances exhaust gas velocity while minimizing back pressure. This results in improved engine power and efficiency, allowing your vehicle to breathe better and perform at a higher level. Constructed from premium 409 stainless steel, the muffler offers excellent resistance to heat, corrosion, and vibration, ensuring long-lasting durability under tough conditions.

Constructed from premium 409 stainless steel, the muffler offers excellent resistance to heat, corrosion, and vibration, ensuring long-lasting durability under tough conditions.

Its fully MIG-welded construction reinforces strength and endurance, capable of handling extreme temperatures and off-road abuse. The design includes a compact case length that fits a variety of setups, making it an excellent choice for custom exhaust applications.

50” center-inlet configuration helps achieve a powerful tone without compromising fitment flexibility.

Ideal for drivers who want an aggressive sound and enhanced performance, this muffler stands out in customization scenes. It delivers a loud, deep growl that commands attention and amplifies engine character. Whether used on a second-gen Cummins or other muscle vehicles, this muffler maintains integrity while boosting driving enjoyment and power output.

Whether used on a second-gen Cummins or other muscle vehicles, this muffler maintains integrity while boosting driving enjoyment and power output.

Pros

• Patented Delta Flow design reduces back pressure for improved power
• Durable 409 stainless steel resists heat and corrosion
• Compact size fits a variety of custom exhaust setups

Cons

• Extremely loud sound may not suit all driving environments

The Flowmaster Super 10 delivers robust sound with performance-driven design. This muffler offers an excellent balance between toughness and aggressive tone, making it a preferred choice for vehicles demanding a standout exhaust. While the volume level suits those who enjoy a loud presence, it might be overwhelming for quiet street use.

While the volume level suits those who enjoy a loud presence, it might be overwhelming for quiet street use. When compared to quieter, less aggressive mufflers, it clearly prioritizes an intense auditory experience.

The design and build quality of this muffler impress on multiple fronts. Its ability to enhance exhaust flow and create a commanding sound profile place it ahead of several competitors.

For those seeking a loud and aggressive exhaust upgrade—especially on a 2nd gen Cummins or similar powertrains—this muffler provides a reliable and durable solution that delivers both style and function.

7. Flowmaster Super 10 Series Chambered Muffler – 2.50” Dual In

Elevate your vehicle’s sound and performance with the Flowmaster Super 10 Series Chambered Muffler. Designed to deliver a powerful and aggressive exhaust note, it commands attention on the street.

Perfect for muscle cars, lifted trucks, and custom builds, it offers a raw tone that stands out in any setting. Its durable construction ensures reliability in demanding conditions, making it a trusted upgrade for those seeking a distinctive presence.

The Flowmaster Super 10 Series features a patented Delta Flow internal chamber design, which improves exhaust velocity and reduces backpressure. This design helps increase horsepower and torque while sharpening throttle response.

Its aggressive tone is one of the loudest in Flowmaster’s range, making it ideal for vehicles needing an unmistakable sound.

Constructed from premium 409 stainless steel, the muffler offers excellent resistance to heat, vibration, and corrosion. It has fully MIG-welded seams for added durability during heavy use and extreme driving environments. Its compact, short case length fits numerous custom setups, making it a versatile option for various modified exhaust systems.

Its compact, short case length fits numerous custom setups, making it a versatile option for various modified exhaust systems.

Installation is straightforward with available multiple inlet and outlet sizes, providing adaptability to many builds. The muffler suits racers, street drivers, and anyone wanting both performance gains and a bold exhaust note.

Pros

• Distinctively loud, aggressive exhaust tone for maximum street presence
• Patented chamber design improves horsepower, torque, and throttle response
• Durable 409 stainless steel construction with MIG welds for longevity

Cons

• Sound level may be too loud for quieter street applications

The Flowmaster Super 10 Series Chambered Muffler delivers an aggressive sound and enhanced exhaust flow that will appeal to those wanting a standout performance upgrade. Its rugged build and versatile sizing options make it adaptable to various custom vehicles. This muffler holds its ground against competing models, offering a balance of power, tone, and durability that few can match.

This muffler holds its ground against competing models, offering a balance of power, tone, and durability that few can match.

From personal perspective, the Flowmaster Super 10 muffler stands out in both performance and sound. Compared to similar products, its aggressive tone is more pronounced without compromising durability.

It suits drivers who want their vehicle to be heard first and noticed later. The quality of materials and the engineering behind the Delta Flow technology make it a smart choice for loud, high-performance exhaust builds, especially on muscle cars and modified trucks.

8. 5″ Exhaust Pipe Kit Compatible with Ram 2500 3500 2013-2018

Upgrade your Ram 2500 or 3500 with the SleYuYir 5 Exhaust Pipe Kit, designed specifically for the 2013-2018 Cummins 7L Turbo Diesel models. This pipe kit offers a precise fit with OEM-matching dimensions, enhancing exhaust flow and restoring engine efficiency.

Built for durability, it handles tough conditions with ease.

Installation is straightforward thanks to carefully aligned mounting points that fit Dodge Ram trucks seamlessly. Whether replacing a worn pipe or seeking reliable performance, this kit stands out as an excellent upgrade for your truck’s exhaust system.

The SleYuYir exhaust pipe delivers a perfect blend of function and build quality. Its 5-inch diameter follows factory sizing, which guarantees a secure and accurate installation.

The pipe is engineered to replace aged or damaged factory components, ensuring the proper exhaust flow is maintained for optimal engine output.

Constructed from materials that resist high-temperature corrosion and road hazards, the pipe withstands rigorous use over time. This durability promises reliability through varying driving conditions and seasons. Designed to fit seamlessly onto Ram 2500 and 3500 models, the kit simplifies the replacement process by matching original mounting layouts.

Designed to fit seamlessly onto Ram 2500 and 3500 models, the kit simplifies the replacement process by matching original mounting layouts.

Perfect for owners aiming to maintain or improve vehicle performance, it supports efficient exhaust movement without complicated modifications. The kit balances quality against convenience, making it a practical option for diesel truck drivers upgrading their exhaust system. This exhaust pipe is ideal for those seeking dependable parts compatible with Cummins

This exhaust pipe is ideal for those seeking dependable parts compatible with Cummins 7L Turbo Diesel engines without sacrificing ease of installation.

Pros

• Precisely sized 5-inch diameter for accurate OEM fit
• Durable construction resists high heat and harsh conditions
• Installation aligns perfectly with existing Ram truck mounts

Cons

• Limited to compatibility with 2013-2018 Ram 2500 and 3500 models

The SleYuYir 5 Exhaust Pipe Kit offers a reliable upgrade for Cummins-powered Ram trucks, restoring the exhaust system’s efficiency with a fit that mimics factory specifications. Its robust design endures extreme conditions and supports straightforward installation, making it a smart choice for maintenance or replacement.

In my experience, this exhaust pipe kit delivers solid quality and performance for Cummins Diesel owners. The ease of installation and strong build make it a worthwhile investment for keeping exhaust flow smooth and engine operation efficient.

It handles the demands of everyday driving and harsher conditions without issue, standing out when compared with more generic or less tailored options.

9. Borla 140085 Cat-Back Exhaust System (40085)

Upgrade your 2nd gen Cummins with an exhaust system designed to enhance performance and efficiency. The Borla 140085 Cat-Back Exhaust System delivers a perfect balance of power and fuel economy. It stands out by combining durable materials with precision engineering for a tailored fit and impressive results.

Experience smoother engine operation and improved horsepower with this high-quality system. Its straightforward installation process makes it accessible for users with basic mechanical skills. Designed to improve exhaust flow, it effectively reduces backpressure for a more responsive driving experience.

The Borla 140085 Cat-Back Exhaust System improves exhaust emissions while increasing internal power generation. Constructed with premium components, it promises longevity even under demanding conditions. This system offers noticeable gains in fuel economy without sacrificing engine performance.

This system offers noticeable gains in fuel economy without sacrificing engine performance. Installation is hassle-free thanks to its bolt-on design, requiring no special modifications. Its robust build quality helps resist corrosion and wear, ensuring lasting functionality.

Suitable for drivers aiming to boost their Cummins truck’s capabilities, it meets the needs of daily drivers and performance seekers alike. Compared to other options, this system balances sound and performance without excessive noise, making it practical for street use.

The exhaust’s design enhances throttle response, providing a smoother ride and enhanced towing power. Overall, it’s a dependable upgrade that adds value without complicating maintenance or installation processes.

Pros

• Improves horsepower and fuel efficiency efficiently
• Simple bolt-on installation, no cutting required
• Durable construction resists corrosion and wear

Cons

• May produce moderate exhaust noise compared to stock systems

The Borla 140085 Cat-Back Exhaust System delivers a reliable and effective upgrade for 2nd gen Cummins trucks. It balances performance improvements with ease of installation, making it attractive for a wide range of users. Suitable for those seeking a durable and efficient exhaust solution, this system enhances power delivery without adding complexity.

Its combination of fuel economy benefits and sound control sets it apart from other aftermarket exhausts.

In my experience, this Borla exhaust strikes a fine balance between enhancing engine output and maintaining everyday drivability. Unlike louder systems, it offers an enjoyable sound profile that doesn’t overwhelm during regular use. The straightforward installation and solid build make it a practical choice for owners wanting dependable performance improvements without complexity.

10. Diesel Exhaust 4″ Dodge Fit for 2013-2018 Ram 2500 3500

Upgrade your Dodge Ram 2500 or 3500 with a high-performance diesel exhaust tailored for 2013-2018 models. Designed specifically for the 7L Cummins engine, this exhaust pipe delivers durability and enhanced flow in one sturdy package.

Experience improved exhaust efficiency and a refined engine sound that complements your truck’s power.

Constructed by LELEHOKA, this 4 diesel exhaust offers a perfect fit with OEM-equivalent specifications. The robust design supports better exhaust gas evacuation, which can contribute to smoother engine operation and potential performance gains.

Crafted from quality materials, it promises long-lasting service even under demanding driving conditions.

This exhaust pipe fits the 2013 through 2018 Dodge Ram 2500 and 3500 with the 7L Cummins diesel engine. Its seamless construction ensures easy installation without complex modifications, making it an ideal upgrade for owners wanting a reliable replacement exhaust.

Its seamless construction ensures easy installation without complex modifications, making it an ideal upgrade for owners wanting a reliable replacement exhaust. The 4-inch diameter allows for optimal exhaust flow, supporting engine breathing efficiency.

Durability is enhanced with corrosion-resistant materials that withstand heat and external elements, maintaining performance over time. The exhaust pipe balances sound and power delivery, providing a distinct tone without becoming overly loud.

Perfect for owners focused on replacing worn-out exhaust components or enhancing their Cummins diesel trucks, it pairs well with other exhaust system upgrades. Its direct compatibility eliminates uncertainty in fitment, appealing to both DIY mechanics and professional installers.

Pros

• Precision-fit for Dodge Ram 2500/3500 6.7L Cummins (2013-2018)
• Durable construction resists corrosion and heat wear
• Improves exhaust flow and engine sound quality

Cons

• Limited compatibility only with specified Ram models and engine type

This diesel exhaust pipe offers a balance of durability, ease of installation, and improved exhaust performance for Ram Cummins trucks. It represents a solid choice for those seeking a direct-fit, reliable exhaust upgrade.

The LELEHOKA diesel exhaust perfectly fits the designated Ram models with ease of installation. Its solid build quality ensures lasting resistance to tough conditions common in diesel exhaust systems. For users who want an OEM-style upgrade that improves exhaust flow and sound, this pipe stands out as a dependable option that merges form and function effectively.

11. 4” Exhaust Pipe for 2019-2024 Dodge Ram 2500 3500 with

Enhance your Dodge Ram 2500 or 3500’s performance with the 4” Exhaust Pipe designed exclusively for 2019-2024 models equipped with the Cummins 7L Turbo Diesel engine.

Precision-built from durable T-409 stainless steel, it offers long-lasting resistance to corrosion and wear. This exhaust pipe is an ideal upgrade for those looking to maintain OEM compatibility while boosting their diesel engine’s performance and sound quality.

Constructed with a 4-inch diameter pipe, it ensures smooth exhaust gas flow, reducing backpressure and supporting engine efficiency. The use of T-409 stainless steel guarantees strong resistance against rust and extreme weather conditions, extending the pipe’s lifespan significantly. Its mandrel-bent tubing design promotes consistent flow and enhanced power output for your diesel truck.

The CNC-machined flange and TIG welding ensure a precise fit and stable connection, maintaining the integrity of your exhaust system. Clamps and hangers are designed to align perfectly with OEM mounting points, which simplifies installation without modifications or additional parts.

This 4” exhaust pipe blends seamlessly with the factory system, preserving warranty conditions while improving sound and performance. It suits truck owners who want a reliable replacement part that complements their Cummins engine’s natural power and sound characteristics.

Pros

• Durable T-409 stainless steel resists corrosion and extreme conditions
• Mandrel-bent tubing promotes smooth exhaust flow and power gain
• Designed for a perfect fit with OEM clamps and hangers

Cons

• Not compatible with Cab & Chassis models

This 4” exhaust pipe stands out as a durable and effective replacement for 2019-2024 Dodge Ram 2500 and 3500 trucks with Cummins engines. It enhances sound and performance without requiring major modifications.

In comparison to other exhaust pipes on the market, this model excels with its stainless steel construction and precise manufacturing. While some alternatives may offer larger diameters or different materials, this pipe balances durability with compatibility for direct OEM replacement. It’s especially beneficial for truck owners prioritizing sound improvement alongside sustained engine performance.

It’s especially beneficial for truck owners prioritizing sound improvement alongside sustained engine performance. Overall, it delivers dependable quality without excessive complexity or modification requirements.

12. Flowmaster 817633 Outlaw Direct Fit Muffler

Enhance your 2nd gen Cummins truck’s performance and sound with the Flowmaster 817633 Outlaw Direct Fit Muffler. Designed to deliver a deep, powerful tone, it combines durability with race-proven technology.

Installation is straightforward thanks to its direct bolt-on design, which uses factory hanger locations to save time. Its stainless-steel build ensures long-lasting resistance to corrosion, even in harsh environments. The Outlaw muffler’s aggressive sound adds character and presence on the road.

The Flowmaster 817633 features race-tested Outlaw technology tuned for maximum performance gains. Its dyno-tuned design helps improve exhaust flow, optimizing engine output without sacrificing sound quality.

Constructed from premium stainless steel, it withstands wear and maintains its finish against heat and rust. The direct-fit nature requires no cutting or welding, simplifying upgrades for DIY installers or professionals. Its deep, throaty sound amplifies your truck’s presence reliably day after day.

Priced competitively among similar high-performance mufflers, it offers excellent value for Cummins owners. The aggressive yet refined audio profile sets it apart from basic exhaust options. Ideal for those wanting enhanced performance paired with a robust sound without permanent modifications.

Pros

• Direct bolt-on fit using factory hangers for hassle-free installation
• Race-proven design tuned on the dyno for improved performance
• Durable stainless steel construction resists corrosion effectively

Cons

• May be louder than stock mufflers, requiring adjustment for noise preferences

Flowmaster’s 817633 Outlaw muffler represents a strong option to elevate the sound and performance of your 2nd gen Cummins. Its combination of solid construction, direct-fit installation, and race-backed technology provides a satisfying upgrade over standard mufflers.

After testing various mufflers designed for 2nd generation Cummins trucks, the Flowmaster 817633 stands out for its blend of sound quality and ease of installation. Its construction quality and aggressive tone give it an edge over generic options while maintaining a manageable noise level.

This muffler fits seamlessly with stock exhaust setups, making it a recommended upgrade for drivers seeking better power and a commanding exhaust note. Overall, it delivers strong performance gains without demanding complex installation steps or extensive modifications.

13. Flowmaster 717847 FlowFX Direct Fit Muffler

Experience powerful sound and seamless installation with the Flowmaster 717847 FlowFX Direct Fit Muffler. Designed to enhance your vehicle’s exhaust note, it offers a balanced deep tone that improves both interior and exterior sound levels. Its direct-fit construction means no modifications are necessary, making it a practical upgrade for any truck owner.

Crafted with durability and performance in mind, the FlowFX muffler fits perfectly using factory hangers and includes all parts needed for installation. The brushed finish not only looks sleek but also resists corrosion over time. Ideal for those wanting to improve exhaust sound without overwhelming noise, this muffler delivers a satisfying rumble that complements the 2nd gen Cummins powertrain.

Ideal for those wanting to improve exhaust sound without overwhelming noise, this muffler delivers a satisfying rumble that complements the 2nd gen Cummins powertrain.

Engineered as a direct replacement, this muffler is easy to install with no need for adjustments to your vehicle’s existing setup. It maintains a moderate sound level, striking a great balance between a subdued growl and aggressive tone. The use of factory hangers ensures a secure fit, which also helps prevent rattling or vibration issues.

The durable 409 stainless steel construction provides long-lasting resistance to rust and wear. With its brushed finish, it maintains a clean and attractive appearance even after extended use. Performance-wise, it produces a strong exhaust tone that enhances engine presence without being intrusive in cabin space.

Suitable for truck owners looking to uplift their exhaust note while prioritizing ease of maintenance and solid build quality, the muffler is a reliable choice. It combines strong sound performance with user-friendly installation, making it ideal for 2nd gen Cummins trucks and similar diesel engines.

Pros

• Direct fit design using factory hangers for easy installation
• Balanced deep exhaust tone, moderate sound level
• Durable 409 stainless steel with brushed finish for corrosion resistance

Cons

• Sound level may be too moderate for those seeking very loud exhaust notes

This Flowmaster muffler elevates your truck’s exhaust sound while maintaining refined noise levels. Its direct fit and solid construction ensure hassle-free upgrades that last.

Compared to other mufflers, it avoids excessive noise without sacrificing a powerful tone, making it a worthy choice for daily drivers wanting enhanced performance ambiance.

In my opinion, the Flowmaster 717847 FlowFX muffler offers an excellent blend of sound quality and reliability. Its straightforward installation keeps projects simple, and the sound it delivers is both robust and refined, suitable for daily driving. For owners who want a durable, good-looking upgrade that respects comfort, this muffler fits the need perfectly.

For owners who want a durable, good-looking upgrade that respects comfort, this muffler fits the need perfectly. While some may desire louder output, the moderate sound strikes a smart compromise for broad use.

14. Upower 4″ Inlet Diesel Exhaust Muffler 7″ x 24″ Body

Offering a powerful upgrade to your diesel exhaust system, the Upower 4 Inlet Diesel Exhaust Muffler combines durability with performance. Its robust stainless steel construction and precise design optimize exhaust flow, catering especially to drivers seeking reliable enhancements. This muffler balances efficiency and sound control, making it a solid choice for heavy-duty diesel vehicles.

Designed with versatility in mind, the muffler fits most 4-inch exhaust pipes thanks to its universal inlet and outlet sizes. The straight-through piping promotes better exhaust velocity, reducing backpressure for improved engine performance.

Additionally, the Continuous Roving Fiberglass (CRF) technology minimizes unwanted interior resonance, contributing to a quieter ride without sacrificing power.

The Upower Diesel Exhaust Muffler features a fully welded, 7-inch round body built to withstand harsh conditions. Its 24-inch body length and robust design ensure long-lasting resistance to wear and corrosion. Both ends are engineered as inlets to simplify installation and welding, allowing seamless integration to existing exhaust setups.

Performance-wise, this muffler’s straight-through design avoids restrictive flow, which can enhance throttle response and fuel efficiency. It offers a notable reduction in exhaust noise without producing the overly aggressive sound that some diesel mufflers create. This unit suits owners aiming to boost their vehicle’s exhaust system without major modifications.

Installation is straightforward due to the universal fit and compatible connections, making it accessible for DIY mechanics and professionals alike. Its stainless steel body provides reliable protection against rust and damage throughout years of use.

Pros

• Durable stainless steel construction with 100% welded design
• Straight-through design improves exhaust velocity and reduces backpressure
• CRF technology absorbs interior resonance for quieter operation

Cons

• May require professional welding for optimal installation

The Upower 4 Inlet Diesel Exhaust Muffler is a reliable upgrade, blending durability with improved exhaust flow and reduced noise. It offers a practical solution for drivers wanting to enhance their diesel engine’s performance and sound management.

This muffler combines essential features for diesel truck owners looking to replace or upgrade their exhaust system. Its straightforward design offers enhanced exhaust flow without sacrificing noise control, making it ideal for practical daily use.

When compared with similar products, the Upower muffler stands out for its balance between quality and function.

15. Flowmaster 817689 Outlaw Cat-back Exhaust System

Enhance your 2nd Gen Cummins pickup with the Flowmaster 817689 Outlaw Cat-back Exhaust System, crafted for power and style. This system delivers a bold, aggressive sound that transforms your vehicle’s performance and presence on the road.

Its premium construction ensures durability and a sleek finish that complements your truck’s look.

The design allows for versatility with dual rear or side exit tips, giving you customization options to match your preference. Featuring large 00-inch black ceramic coated tips, this exhaust not only looks sharp but resists corrosion and heat effectively.

Enjoy improved exhaust flow and a muscular tone thanks to the Super 10 performance muffler, created specifically for enhanced sound and efficiency.

Manufactured entirely from stainless steel, this system boasts excellent resistance to rust and wear, promising long-lasting reliability. It installs easily using factory hanger locations, which means no complex modifications or special tools are needed. This user-friendly setup reduces installation time and effort significantly.

This user-friendly setup reduces installation time and effort significantly.

The aggressive sound profile is deep yet controlled, adding authority to your engine’s voice without overwhelming noise. With a durable ceramic coating on the tips, it maintains its crisp appearance despite extreme conditions.

This exhaust system fits perfectly with the 2nd Gen Cummins, making it ideal for those seeking both performance gains and a standout sound.

Offering a balance of value and quality, the Flowmaster Outlaw exhaust rivals others in its class by providing superior craftsmanship and sound tuning. Its lifetime limited warranty adds peace of mind for those wanting a reliable upgrade that lasts.

This exhaust is well suited for drivers looking to improve power, sound, and aesthetics in their diesel trucks.

Pros

• Dual exit options for personalized exhaust flow and style
• Durable stainless steel construction with corrosion-resistant ceramic tips
• Super 10 muffler offers a deep, aggressive yet controlled sound

Cons

• Relatively heavy at 65 pounds, requiring some effort during installation

The Flowmaster 817689 Outlaw Cat-back Exhaust System stands out as a strong upgrade choice for the 2nd Gen Cummins, providing both audible performance and durability. Its thoughtful design, combined with quality materials, ensures long-term satisfaction.

While installation demands some strength due to its weight, the outcome justifies the effort with enhanced sound and styling.

After testing various exhaust systems, I find the Flowmaster Outlaw particularly impressive for its balance of sound intensity and build quality. It doesn’t just increase volume; it produces a refined tone that enhances driving pleasure without being intrusive.

Its ease of installation using factory hangers makes it accessible for most users. Overall, this exhaust adds a noticeable edge to a 2nd Gen Cummins with dependable materials and a style-conscious design.

Top Exhausts for 2nd Gen Cummins: Ultimate Buying Guide

Installation and maintenance

When choosing an exhaust system, considering how easily it can be installed without extensive modification to the vehicle is key. Ideally, the system should fit well with existing components to avoid unnecessary adjustments or additional purchases, making the process smoother and more cost-effective.

It’s also helpful to be aware of the routine upkeep the exhaust may require. Some systems demand more frequent checks or part replacements, which can increase long-term expenses. Opting for a design that balances performance with manageable maintenance needs helps keep both time and money investments reasonable over the lifespan of the exhaust.

Taking these aspects into account will lead to a satisfying experience from installation through regular use.

Performance impact

Choosing an exhaust system for a 2nd gen Cummins involves understanding how it influences horsepower and torque gains, which directly affects the truck’s towing and hauling capabilities. An efficient exhaust flow design helps reduce backpressure, allowing the engine to breathe more freely and improving overall power output. Alongside performance improvements, the effect on fuel economy plays a significant role; systems that enhance flow typically contribute to better fuel efficiency by optimizing combustion and reducing engine strain.

When selecting, consider the material quality and pipe diameter to balance durability and performance, as well as compatibility with your setup to maximize these benefits. Matching the exhaust to your driving needs—whether for daily use or heavier workloads—will ensure a satisfying driving experience with noticeable improvements in both power and economy.

Compatibility with 2nd gen cummins engines

Choosing the right exhaust system for a 2nd gen Cummins involves paying close attention to the engine model and year matching to guarantee seamless fitment and performance. Exhaust systems designed specifically for 2nd gen engines typically account for the unique layout and specifications, which helps in maintaining proper flow and reducing backpressure. Understanding the distinction between OEM and aftermarket compatibility can influence both the installation process and the overall durability of the system.

Understanding the distinction between OEM and aftermarket compatibility can influence both the installation process and the overall durability of the system. OEM options often provide a direct fit and ease of installation, while aftermarket solutions may offer enhanced materials and performance improvements tailored to this generation’s demands. Evaluating how well an exhaust system integrates with the existing engine components will aid in making a decision that balances power, efficiency, and long-term reliability.

Sound and noise levels

Choosing the right exhaust system for a 2nd generation Cummins truck involves paying close attention to sound and noise levels that match personal loudness and tone preference. Different muffler types play a significant role in controlling sound suppression, ranging from aggressive raspy tones to more subdued, quiet operation. Some mufflers use chambered designs to reduce noise while maintaining power, whereas straight-through or turbo-back styles often produce louder, more distinctive sounds.

Some mufflers use chambered designs to reduce noise while maintaining power, whereas straight-through or turbo-back styles often produce louder, more distinctive sounds. Legal noise regulations must always be factored in to avoid fines or restrictions, as many areas have limits on acceptable decibel levels for vehicle exhaust. When selecting an exhaust, consider both the desired auditory experience and compliance with local laws to find a balance that delivers satisfying performance without excessive noise disturbances.

Material and durability

When choosing the best exhaust for 2nd gen Cummins, paying attention to the materials used can make a significant difference in performance and longevity. Exhausts made from stainless steel generally offer superior resistance to corrosion and rust compared to those crafted from aluminized steel, which can wear down faster when exposed to moisture and road salts. This resistance is particularly important for vehicles driven in wet or snowy conditions, as it helps maintain the exhaust system’s integrity over time.

Additionally, stainless steel tends to have better heat tolerance, allowing it to withstand the high temperatures generated by the engine without warping or deteriorating quickly. On the other hand, aluminized steel might be more budget-friendly but often sacrifices some durability and may require earlier replacement.

Opting for materials that balance corrosion resistance and heat endurance will help ensure the exhaust performs well for years, matching the power and demands of a 2nd gen Cummins engine. Considering how and where the vehicle is used can guide the choice between these materials to best fit daily driving or heavy-duty applications.

Budget and warranty

Choosing the best exhaust for 2nd gen Cummins involves balancing price range considerations with the quality and features offered. Options vary significantly in cost depending on materials used and design complexity, so understanding what fits within your financial plan helps streamline the selection process.

Warranty coverage and customer support often reflect a brand’s confidence in their product, making these important factors to review before purchase. Exhaust systems with solid warranties and responsive support can provide peace of mind and protect your investment over time. Value for money and long-term investment potential also play a role; investing in a durable, well-engineered exhaust system not only enhances performance but may reduce future maintenance expenses.

Prioritizing these aspects ensures a satisfying upgrade that aligns with both vehicle needs and ownership expectations.

Frquently Asked Questions

How Do Different Exhaust Materials Affect The Durability And Sound Of A 2Nd Gen Cummins Exhaust?

Different exhaust materials significantly impact the durability and sound of a 2nd gen Cummins exhaust. Stainless steel, known for its corrosion resistance, offers greater longevity compared to mild steel, which is prone to rust and deterioration over time. Titanium, though less common, provides excellent strength-to-weight ratio and exceptional resistance to heat and corrosion, enhancing durability further. Regarding sound, stainless steel typically produces a sharper, more metallic exhaust note, while mild steel can create a deeper, more muted tone but may degrade faster. Titanium often results in a crisper, lighter sound due to its unique material properties, influencing both performance and auditory experience.

What Factors Should I Consider When Choosing An Exhaust For A 2Nd Gen Cummins?

When choosing an exhaust for a 2nd gen Cummins, consider factors like performance goals and sound preference. A straight pipe or high-flow exhaust can improve horsepower and torque by reducing backpressure, while a muffler choice impacts noise levels. Durability is also important; stainless steel options resist rust and last longer, especially in harsh conditions. Additionally, think about your budget and installation ease. Some systems are bolt-on and straightforward, while others may require modifications. Emissions compliance and local regulations should also guide your choice to ensure your exhaust is street-legal and meets environmental standards.

What Are The Top-Rated Exhaust Systems For A 2Nd Gen Cummins?

Top-rated exhaust systems for a 2nd gen Cummins (1994-1998) are known for improving performance, sound, and durability. Popular choices include the Banks Power Monster Exhaust, which offers excellent flow and a deep tone, and the BD Diesel Full Stack, praised for its quality construction and power gains. Other notable options are the MBRP Turbo-Back Exhaust and AFE Power BladeRunner, both providing enhanced horsepower and a robust exhaust note. These systems are favored for their balance of performance boost and reliable build, often made from stainless steel for longevity. They help reduce backpressure and improve turbo spool, making them ideal upgrades for 2nd gen Cummins owners seeking better power and sound.

Are There Any Budget-Friendly Exhaust Options For A 2Nd Gen Cummins?

Yes, there are several budget-friendly exhaust options available for a 2nd gen Cummins. Many aftermarket brands offer affordable downpipes, mid-pipes, and mufflers designed specifically for these engines. Some popular choices include models from MBRP, Banks Power, and MagnaFlow, which provide good performance improvements without breaking the bank. In addition, you can find used or refurbished components from reputable sellers or enthusiast forums, which can further reduce costs. Installing a high-quality budget exhaust can improve airflow and sound while maintaining durability, making it a great option for those on a tighter budget.

How Does An Aftermarket Exhaust Improve The Performance Of A 2Nd Gen Cummins?

An aftermarket exhaust on a 2nd gen Cummins improves performance primarily by enhancing exhaust flow. Stock exhaust systems often have restrictive components that limit the efficient expulsion of exhaust gases. Upgrading to a less restrictive aftermarket exhaust reduces backpressure, allowing the engine to breathe better and operate more efficiently. This improved exhaust flow leads to increased horsepower and torque, as the engine can intake more air and combust fuel more effectively. Additionally, aftermarket systems often produce a more aggressive exhaust note and can contribute to better fuel economy due to improved engine efficiency.

Conclusion

Choosing the best exhaust for 2nd gen Cummins greatly impacts your truck’s performance, sound, and durability. High-quality systems typically offer improved airflow, increased horsepower, and a more aggressive tone, though some may require professional installation and slight modifications.

Potential buyers should consider factors like noise level preferences, budget, and any local emission regulations. Overall, selecting the right exhaust balances performance gains with practical needs, making it a valuable upgrade.

For those aiming to boost their 2nd gen Cummins’ capabilities and presence, investing in the best exhaust for 2nd gen Cummins provides a solid return in both performance and satisfaction.