Fits 2008-2009 Pontiac G8 GT and GXP (6.0L).

Improve your vehicle's exhaust scavenging and acoustic profile with the Borla Cat-Back exhaust system. This high-performance system is engineered to replace the factory exhaust from the catalytic converter back, featuring an integrated X-pipe that balances exhaust pulses and optimizes flow. Constructed from premium stainless steel, this system provides the signature Borla sound without compromising durability or fitment.

Borla engineers utilize patented technology and sound analysis tools to tune each system specifically for the Pontiac G8 platform. The result is a clear, performance-oriented exhaust note that provides essential acoustic feedback for throttle input and gear selection. This system is designed to keep your engine within its ideal powerband while offering a significant upgrade over restrictive original equipment components.

• Manufacturer Part Number: 140287
• System Type: Cat-Back
• Material: Stainless Steel
• Includes: Integrated X-pipe, mufflers, and mandrel-bent tubing
• Installation: Direct bolt-on to factory mounting points

Fits 2008-2015 Mitsubishi Lancer Evolution (EVO X) GSR, MR, MR Touring, SE, and Final Edition.

The Borla Cat-Back exhaust system (140285) provides a performance-oriented upgrade for the Mitsubishi Lancer Evolution X. This system is precision-tuned to deliver a clear, distinct exhaust note that acts as a communication conduit between the driver and the machine. By providing accurate acoustic feedback of engine RPM, the system assists in critical gear selection and throttle input decisions during spirited driving or track sessions.

Engineered using computer modeling and advanced sound analysis tools, Borla exhaust systems are designed to maximize the specific personality and powerband of the vehicle application. This bolt-on replacement reduces restriction behind the factory catalytic converter, enhancing the overall driving experience with unrivaled clarity and sensory feedback.

• System Type: Cat-Back Exhaust
• Precision-tuned for the 4B11T engine platform
• Enhances auditory feedback for rev-match shifting and gear selection
• Engineered specifically for Mitsubishi Lancer Evolution X (2008-2015)
• Manufacturer Part Number: 140285

Fits 2010-2013 Chevrolet Camaro SS and ZL1 (6.2L V8).

The Borla S-Type Cat-Back exhaust system (PN 140280) is engineered to deliver an aggressive, high-performance exhaust note for the fifth-generation Camaro. Developed in collaboration with GM engineers, this system utilizes Borla’s patented XR-1 multi-core technology, found in race-winning Corvettes, to optimize exhaust velocity and sound quality without the cabin drone associated with lesser systems.

Constructed from premium T-304 stainless steel, this system includes a merge X-pipe to increase flow and produce a richer, deeper tone. Beyond the acoustic upgrade, the 140280 system provides significant weight savings—up to 43 lbs lighter than the factory exhaust—improving both handling dynamics and fuel efficiency. The system is finished with mirror-polished T-304 stainless steel tips for a refined, show-quality aesthetic.

• Material: Premium T-304 Stainless Steel
• Exhaust Type: Cat-Back System with Merge X-Pipe
• Sound Level: S-Type (Aggressive)
• Patented XR-1 Multi-Core Technology for maximum flow
• Shed up to 43 lbs compared to the factory OE exhaust
• Mirror-polished T-304 stainless steel tips
• Includes all necessary hardware for installation
• Manufacturer Part Number: 140280
• Note: This system is not compatible with vehicles equipped with the factory ground effects package.

Fits 2008-2022 Toyota Sequoia (5.7L) Limited, Nightshade, Platinum, SR5, TRD Pro, and TRD Sport models.

The Borla Stainless Steel Cat-Back Exhaust system is engineered to enhance the performance and acoustic profile of your vehicle. Designed specifically for the 5.7L V8 engine, this system provides a clear, aggressive exhaust note that serves as a communication conduit between the driver and the machine. This acoustic feedback of engine RPM assists in critical driving decisions, such as gear selection and throttle input, by keeping the driver connected to the vehicle's powerband.

Constructed from premium stainless steel for long-term durability, this system is optimized for 6-speed automatic transmission models in both RWD and 4WD configurations. Borla engineers use computer modeling and extensive prototyping to ensure the exhaust reflects the personality and performance of the Toyota Sequoia while maintaining unrivaled clarity.

• Direct-fit cat-back exhaust system
• Durable stainless steel construction
• Performance-tuned for 5.7L V8 engine acoustics
• Compatible with 6-speed automatic RWD/4WD models
• Manufacturer Part Number: 140277

The Borla Aggressive Cat-Back Exhaust System (MPN 140276) is engineered to enhance the performance and acoustic profile of the 2007-2010 BMW 335i, 335xi, and 335i xDrive. This system features an integrated X-pipe to optimize exhaust scavenging, providing a deeper, more refined tone and increased exhaust velocity. Constructed entirely from premium T-304 stainless steel, this system offers superior corrosion resistance and durability compared to 400-series alternatives.

Utilizing patented straight-through and multi-core technology, the Borla Cat-Back design reduces backpressure to unleash hidden horsepower and torque. Each system is manufactured with ultra-smooth mandrel bends and precision computer-controlled CNC processing to ensure a perfect fit on the specified BMW E9X models.

• Fits 2007-2010 BMW 335i, 335xi, and 335i xDrive Base models
• High-quality T-304 stainless steel construction
• Polished T-304 stainless steel tips
• Includes integrated X-pipe for improved flow and sound
• Ultra-smooth mandrel bends for maximum exhaust velocity
• Patented straight-through and multi-core technology
• Million-Mile Warranty
• Manufacturer Part Number: 140276

Fits 2006-2010 Jeep Grand Cherokee SRT8 models. This Borla S-Type cat-back exhaust system is engineered to optimize exhaust velocity and deliver the aggressive "Sound of Power" enthusiasts expect from an SRT-badged platform.

Constructed entirely from premium T-304 stainless steel, this system offers superior corrosion resistance compared to lower-grade 400-series or aluminized steel. The piping features ultra-smooth mandrel bends to maintain consistent diameter and maximize flow, eliminating the restrictive turbulence found in crush-bent factory tubing. Each system is manufactured using computer-controlled CNC processes to ensure a bolt-on fit to factory mounting points.

• System Type: Cat-Back Exhaust
• Series: S-Type
• Material: T-304 Stainless Steel
• Tip Description: Bright Chrome on T-304 Stainless Steel
• Tubing: Mandrel-bent for maximum flow
• Manufacturer Part Number: 140245
• Warranty: Borla Million-Mile Warranty

Fits 2007-2008 Toyota Tundra Base, Limited, and SR5 models equipped with the 5.7L V8.

The Borla 140238 Touring Series Cat-Back exhaust system is engineered to provide a mellow, drone-free exhaust note while improving flow compared to the factory system. This true dual system features 2.25-inch diameter mandrel-bent tubing and an internal H-pipe inside the muffler to balance exhaust pulses for increased performance and a refined sound profile.

Constructed entirely from premium T-304 austenitic stainless steel, this system is more durable and lighter than the original equipment. It terminates in a split side exit with twin 4-inch round, bright chrome-finished T-304 stainless steel tips. The bolt-on design utilizes CNC manufacturing to ensure a precision fit to factory mounting points.

• Manufacturer Part Number: 140238
• System Type: Cat-Back
• Tubing Diameter: 2.25-inch True Dual
• Tip Size: 4-inch round bright chrome
• Material: T-304 Stainless Steel
• Exit Style: Split side exit
• Muffler Configuration: Internal H-Pipe
• Technology: Patented straight-through and multi-core
• Warranty: Million-mile manufacturer warranty

Fits 2007-2010 Toyota FJ Cruiser models, including Base, Trail Teams, and TRD Special Editions (4.0L V6).

The Borla 140200 Cat-Back exhaust system is engineered to provide a distinct, high-performance exhaust note while improving the tactile connection between driver and vehicle. Using patented technology and advanced computer modeling, Borla engineers tune each system to provide clear acoustic feedback of engine RPM. This enhanced sensory feedback assists the driver in critical gear selection and throttle input decisions, helping maintain the engine's optimal powerband during both street and off-road driving.

• System Type: Cat-Back Exhaust
• Exit Style: Single Split Rear Exit
• Fitment: 2007-2010 Toyota FJ Cruiser (4.0L)
• Tuning: Engineered for specific acoustic feedback and performance personality
• Installation: Replaces factory exhaust from the catalytic converter back
• Manufacturer Part Number: 140200

Fits select 2006-2015 Mazda MX-5 Miata models (2.0L) including Sport, SV, Touring, Club, and Grand Touring trims.

The Borla 140169 cat-back exhaust system delivers the signature "sound of power" for the NC-generation Mazda MX-5 Miata. Engineered to provide more than just an aggressive tone, this system serves as a vital communication conduit between the driver and the machine. It offers precise acoustic feedback of engine RPM, aiding in critical decisions such as gear selection and throttle input during rev-match shifting.

Using patented technology and advanced sound analysis tools, Borla engineers have tuned this system to reflect the unique personality and performance characteristics of the 2.0L Miata. The result is an enhanced driving experience with unrivaled clarity that helps the driver stay within the powerband during spirited driving.

• System Type: Cat-Back
• Tip Configuration: Twin-Tip
• Engine: 2.0L
• Application-specific tuning for acoustic feedback and performance
• Constructed using patented technology for durability and sound quality
• Manufacturer Part Number: 140169

Fits 2005-2006 Pontiac GTO (6.0L).

Unlock the signature S-Type sound and optimize the performance of your 6.0L LS2-powered GTO with this Borla Cat-Back exhaust system. Engineered as a direct bolt-on replacement for the factory piping, this system features a proprietary X-Pipe that merges exhaust pulses to improve scavenging and smooth out the V8's acoustic profile. This setup is significantly more efficient than the OE assembly, flowing over 200 CFM more air while shedding 25 pounds of chassis weight.

Constructed from mandrel-bent austenitic T-304 stainless steel, this exhaust is designed to withstand the heat and corrosive elements better than 409-grade or aluminized alternatives. The system exits through dual 5-inch bright chrome-on-stainless rolled round angle-cut tips, providing a refined, aggressive look to the GTO’s rear fascia. It is designed for compatibility with both 6-speed manual and 4-speed automatic transmissions.

• Manufacturer Part Number: 140165
• Series: S-Type Classic
• Material: High-quality T-304 Austenitic Stainless Steel
• System Type: Cat-Back
• Exit: Split Rear Exit
• Tip Size: 5-inch Polished Chrome
• Performance: +200 CFM increase over factory flow
• Weight: 25 lbs lighter than stock
• Hardware: Includes all necessary mounting components

Fits 2005-2013 Toyota Tacoma Base, Pre Runner, and X-Runner (4.0L) with AT/MT and 2/4WD configurations. This system is compatible with 2 and 4-door models featuring Crew Cab/Short Bed (CC/SH) or Extended Cab/Long Bed (EC/LB) setups.

The Borla 140160 cat-back exhaust system is engineered to provide a distinct, high-performance sound signature while improving exhaust flow. Borla engineers utilize patented technology and sound analysis to tune the system specifically for the Toyota 4.0L V6, providing clear acoustic feedback that helps drivers maintain the powerband during gear selection and throttle inputs. This system replaces the restrictive factory exhaust with a high-velocity, straight-through design built for longevity and performance.

• Specifically tuned muffler geometry provides the signature Borla sound without interior drone
• Patented straight-through design reduces backpressure to optimize engine efficiency
• Built with premium materials to resist corrosion in desert, coastal, and highway conditions
• Direct-fit installation designed for specific Tacoma cab and bed configurations
• Includes necessary hardware for a complete bolt-on installation
• Manufacturer Part Number: 140160

Fits 2005-2009 Ford Mustang GT and Shelby GT/GT500/GT500KR models. This Borla S-Type Cat-Back™ system (MPN 140135) is engineered to replace the factory exhaust from behind the H-pipe back, delivering a signature aggressive sound with zero interior drone.

Constructed from premium T-304 stainless steel, this 2.5-inch mandrel-bent system significantly reduces weight compared to the factory setup while optimizing airflow CFM. The S-Type muffler design utilizes advanced exhaust geometry to cancel high-frequency sound waves, providing a deep, powerful tone that reflects Borla's decades of racing heritage. This system is a direct bolt-on upgrade that maximizes the performance potential of both stock and modified engines.

• System Type: Cat-Back™ Exhaust
• Pipe Diameter: 2.5"
• Tip Description: Dual 4" round chrome on T-304 stainless steel tips
• Muffler Type: S-Type (Straight-through flow design)
• Material: T-304 high-grade stainless steel
• Exit Position: Dual Split Rear Exit
• Installation: Bolts to factory mounting points behind the H-pipe
• Manufacturer Part Number: 140135

Fits 2005-2010 Chrysler 300, Dodge Charger, and 2005-2008 Dodge Magnum (5.7L).

Unlock the signature Borla growl and increase exhaust efficiency with the S-Type Cat-Back system. Specifically tuned for the 5.7L Hemi engine, this system features a true dual mandrel-bent design that eliminates the restrictive nature of factory exhaust piping. Built from aircraft-grade T-304 austenitic stainless steel, this setup is approximately 30 lbs lighter than the OEM assembly, offering both weight reduction and superior corrosion resistance.

The inclusion of a merge X-pipe optimizes exhaust scavenging to improve horsepower and torque. This split-rear exiting system is designed for a precise fit to factory mounting points and features massive 5-inch round, embossed, rolled-edge angle-cut tips for an aggressive aesthetic finish.

• Manufacturer Part Number: 140125
• Flow Increase: 220cfm over stock
• Construction: T-304 austenitic stainless steel
• Tubing: Mandrel-bent for maximum flow
• Exhaust Type: Cat-Back system with merge X-pipe
• Tips: 5-inch round bright chrome on T-304 stainless steel
• Weight: Approximately 30 lbs lighter than stock
• Exit Style: Split rear exit
• Warranty: Million-Mile Limited Warranty

Fits 2004-2009 Mazda 3 S, SP23, and Mazdaspeed models.

Enhance the performance and acoustic profile of your vehicle with the Borla Cat-Back Exhaust System. This system is engineered to provide the signature Borla sound—a crisp, high-performance note that acts as a communication conduit between the driver and the machine. By delivering clear acoustic feedback of engine RPM, this exhaust helps drivers stay within the powerband and make more precise throttle and gear selection decisions.

• Manufacturer Part Number: 140121
• Premium Construction: Built from high-quality stainless steel for long-term durability and corrosion resistance.
• Precision Engineering: Utilizing computer modeling and extensive prototyping to ensure a perfect fit and optimized exhaust flow.
• Direct Bolt-On: Designed to install using factory mounting points for a straightforward upgrade process.
• Performance Sound: Tuned specifically for the Mazda 3 platform to provide an aggressive note without sacrificing clarity.

Fits 2004-2015 Mini Cooper S and Mini Cooper S Convertible models.

The Borla 140120 Cat-Back Exhaust System is designed to provide more than just a performance sound; it acts as a critical communication conduit between the driver and the vehicle. By delivering precise acoustic feedback of engine RPM, this system aids in gear selection and throttle management during spirited driving. Borla engineers utilize advanced computer modeling and sound analysis tools to tune the exhaust note specifically to the Mini Cooper S personality.

• Direct cat-back exhaust replacement for improved flow and clarity
• Engineered for optimized driver feedback and engine RPM awareness
• Precision-tuned to reflect high-performance motoring standards
• Manufacturer Part Number: 140120

Fits 2004-2006 Mini Cooper S.

The Borla S-Type Cat-Back exhaust system (MPN 140119) is engineered to enhance the performance and acoustic profile of the supercharged Mini Cooper S. This S-Type system provides a more aggressive exhaust note compared to factory and Touring-series options, delivering a race-inspired sound without compromising durability or flow efficiency.

Constructed from premium T-304 austenitic stainless steel, this system is significantly more resistant to corrosion than 409 stainless or aluminized steel. The mandrel-bent tubing ensures uniform pipe diameters throughout every curve, reducing backpressure and optimizing exhaust velocity. The straight-through muffler design eliminates the restrictions found in chambered OE mufflers, while the mirror-polished T-304 stainless steel tips provide a clean, finished appearance.

• System Type: Cat-Back Exhaust
• Series: S-Type (Aggressive Sound)
• Material: High-quality T-304 Stainless Steel
• Tubing: Mandrel-bent for maximum flow
• Muffler Style: Straight-through performance design
• Tip Finish: Mirror-Polished T-304 Stainless Steel
• Manufacturer Part Number: 140119
• Warranty: Million-Mile Warranty

Fits 2001-2004 Porsche Boxster S and S Special Edition (3.2L). Note: This system is designed for 6-speed manual transmissions and does not fit 5-speed models.

Enhance your mid-engine Porsche Boxster S with the Borla Cat-Back S-Type exhaust system. Borla R&D engineers developed this 1.75-inch mandrel-bent system using high-quality T-304 austenitic stainless steel, prioritizing weight reduction to improve the vehicle's overall balance. Weighing less than half of the stock assembly, this system reduces mass at the extreme rear of the vehicle while flowing an impressive 263cfm more air than the factory exhaust.

The S-Type sound profile provides a throaty, powerful note that remains clear of interior drone. The system is finished with dual 3.5-inch x 2.75-inch oval, angle-cut polished tips, offering a premium look that matches Porsche's racing heritage. Backed by Borla's Million-Mile warranty, this system is built for long-term durability on both the street and the track.

• Premium T-304 stainless steel construction for maximum corrosion resistance
• 1.75-inch mandrel-bent tubing to maintain consistent diameter through bends
• Dual 3.5" x 2.75" oval angle-cut polished tips
• 263cfm flow increase over OEM exhaust system
• Significant weight savings for improved vehicle dynamics
• Manufacturer Part Number: 140115

Fits 2002-2008 Audi A4 Quattro (2.0L) Avant, Base, and Cabriolet submodels.

The Borla Cat-Back exhaust system (MPN 140100) is engineered to enhance the performance and acoustic profile of the Audi A4 Quattro. Utilizing patented technology and advanced sound analysis tools, Borla engineers have tuned this system to provide a clear, high-performance exhaust note that serves as a direct communication conduit between the driver and the machine. This improved acoustic feedback aids in critical driving decisions, such as gear selection and throttle input during rev-match shifting.

Beyond its signature sound, this system is developed through computer modeling and extensive prototyping to ensure it maintains optimal exhaust flow and helps the engine stay within its powerband. The result is a durable, high-performance solution that replaces the restrictive factory exhaust components with precision-engineered piping and mufflers tailored specifically to the Audi 2.0L 4-cylinder powerplant.

• Manufacturer Part Number: 140100
• System Type: Cat-Back Exhaust
• Fitment: 2002-2008 Audi A4 Quattro
• Engine Compatibility: 2.0L 4-Cylinder
• Compatible Submodels: Avant, Base, Cabriolet

Fits 1999-2006 BMW 323i, 323Ci, 325i, 325Ci, 330i, and 330Ci (Base models).

The Borla Cat-Back exhaust system is engineered to deliver a sonic shot of adrenaline for the BMW E46 platform. More than just an upgrade in tone, this exhaust acts as a communication conduit between the driver and machine. The signature Borla sound provides precise acoustic feedback of engine RPM, aiding the driver in making critical decisions during gear selection and rev-match shifting.

Using patented technology, computer modeling, and advanced sound analysis tools, Borla engineers have meticulously tuned this system to reflect the performance and personality of the BMW inline-six engine. The result is a high-performance soundtrack that helps you stay within the powerband with unrivaled clarity and sensory feedback.

• Precision tuned for the 1999-2006 BMW 3 Series (E46) engine harmonics.
• Engineered using extensive prototyping and advanced computer modeling for optimal flow.
• Delivers an intoxicating concert of steel and combustion without sacrificing function.
• Designed to provide clear engine feedback for better throttle input and shifting.
• Manufacturer Part Number: 140084

Fits 1986-1991 Chevrolet Corvette (5.7L) including Base, ZR-1, 35th Anniversary, and Pace Car editions.

The Borla S-Type Cat-Back system (140082) is a direct-replacement performance exhaust engineered to optimize flow and reduce weight on the C4 Corvette. Constructed from premium T-304 austenitic stainless steel, this system is approximately 20 lbs lighter than the factory assembly and is designed to bolt directly to OEM mounting points. It is compatible with both manual and automatic transmissions.

The exhaust architecture features a 3" diameter front pipe leading to a Y-pipe, which splits into dual 2.5" pipes. High-flow 10" x 5" round mufflers deliver an aggressive exhaust note while maintaining T-304 stainless steel rectangular, rolled-edge, angle-cut tips for a refined appearance. Bench testing demonstrates a 41% increase in exhaust flow over stock, supporting improved power delivery and efficiency.

• Material: T-304 Austenitic Stainless Steel
• Tubing Diameter: 3" front pipe to dual 2.5" rear pipes
• Muffler Type: Dual 10" x 5" round S-Type
• Tips: Polished rectangular, rolled-edge, angle-cut
• Flow Improvement: 41% increase over factory
• Weight Reduction: ~20 lbs lighter than OE
• MPN: 140082
• Warranty: Borla Million-Mile Warranty

Fits 2003 Ford Thunderbird Base and James Bond Edition (3.9L).

This Borla Cat-Back exhaust system is engineered to provide a distinct, high-performance soundtrack for the 2003 Ford Thunderbird. Developed using patented technology and advanced sound analysis tools, Borla engineers tune each system to optimize acoustic feedback and engine performance. The result is a clear, aggressive exhaust note that assists the driver with better sensory feedback for gear selection and throttle input.

• Specifically tuned for the 3.9L V8 engine application
• Patented technology ensures an optimized balance of sound and flow
• Developed through computer modeling and extensive prototyping for precise fitment
• Provides enhanced acoustic feedback to help maintain optimal powerband positioning
• Manufacturer Part Number: 140081

Fits 1997-2001 Jeep Cherokee (XJ) models with the 4.0L engine, including Classic, Country, Limited, SE, and Sport trims.

The Borla 140071 Cat-Back Exhaust system is precision-engineered to provide a performance-oriented exhaust note and improved flow for the Jeep Cherokee. Built from high-quality stainless steel, this system is designed to replace the factory components from the catalytic converter back, offering superior durability and corrosion resistance over OE mild steel systems.

Using patented straight-through and multi-core technology, Borla engineers tune the system to the specific acoustics of the 4.0L inline-six engine. This ensures a clear, aggressive sound that provides critical acoustic feedback to the driver while maintaining efficiency. The system is designed for a precise fit on both 2WD and 4WD configurations with either automatic or manual transmissions.

• Manufacturer Part Number: 140071
• System Type: Cat-Back Exhaust
• Material: Premium Stainless Steel
• Fitment: 1997-2001 Jeep Cherokee (4.0L)
• Configuration: 2WD/4WD, AT/MT
• Installation: Utilizes factory mounting locations

Fits select 1999-2004 Ford Mustang GT, GT Bullitt, and Mach 1 (4.6L).

Built for Mustang enthusiasts demanding an aggressive tone without the interior drone, the Borla S-Type Cat-Back exhaust system (MPN 140067) significantly improves exhaust flow over the factory setup. This 2.5-inch diameter system is engineered using high-quality T-304 stainless steel, providing superior corrosion resistance compared to 409 or aluminized steel. The mandrel-bent tubing and unique S-Type muffler configuration cancel high-frequency sound waves while maximizing CFM to support both stock engines and those with additional aftermarket performance upgrades.

Installation is a straightforward bolt-on process using factory mounting points. The system is finished with dual 4-inch round, bright-polished chrome tips that provide a classic, high-performance aesthetic. Borla stands behind this system with their signature Million-Mile Warranty.

• System Type: Cat-Back Exhaust
• Series: S-Type
• Tubing Diameter: 2.5"
• Tip Description: 4" Round, Rolled Edge, Angle Cut
• Tip Finish: Polished T-304 Stainless Steel
• Material: Aerospace-grade T-304 Stainless Steel
• Part Number: 140067

Fits 2002-2007 Subaru Impreza WRX, WRX Limited, and WRX TR.

The Borla Hush Series Cat-Back Exhaust provides a refined, aggressive exhaust note for the GD-chassis Subaru WRX without the excessive drone often associated with performance systems. Engineered for the enthusiast who demands both acoustic feedback and daily-driver comfort, this system utilizes Borla’s patented muffler technology to optimize exhaust flow and engine efficiency.

Constructed with a twin rear-exit tip design, this system maintains a factory-plus aesthetic while improving throttle response. The assembly is designed to bolt directly to factory mounting points, ensuring a precise fit and straightforward installation. By reducing backpressure, this cat-back system allows the turbocharged EJ engine to breathe more freely throughout the RPM range.

• Manufacturer Part Number: 140053
• Series: Hush
• System Type: Cat-Back Exhaust
• Exit Configuration: Twin Rear Exit
• Installation: Direct bolt-on to OE mounting points

Fits 1999-2004 Ford Mustang SVT Cobra, including SVT Cobra R and 10th Anniversary models.

This Borla Cat-Back system (MPN 140052) is engineered for those seeking an aggressive, race-inspired exhaust note and optimized flow for the 4.6L and 5.4L supercharged Cobra engines. Constructed from premium 2.5-inch aerospace-grade T-304 austenitic stainless steel, this dual exhaust system features mandrel-bent tubing to eliminate flow restrictions and maintain consistent velocity throughout the system.

The straight-through design provides the additional capacity needed for high-horsepower aftermarket upgrades while remaining compatible with factory engine management and ECU strategies. The system is finished with mirror-polished T-304 stainless steel tips for a high-tech, custom-tuned appearance. As a direct bolt-on replacement, this system utilizes factory mounting points for a secure and straightforward installation.

• System Type: Cat-Back Exhaust
• Tubing Diameter: 2.5 in.
• Material: T-304 Austenitic Stainless Steel
• Exit Style: Dual Rear Exit
• Tip Material: Polished T-304 Stainless Steel
• Installation: Bolt-on
• Manufacturer Part Number: 140052
• Warranty: Borla Million-Mile Warranty

Fits 2003-2010 Dodge Viper SRT-10 and SRT-10 ACR (8.3L).

The Borla 140048 Cat-Back exhaust system is engineered to enhance the 8.3L V10 engine's performance and acoustic profile. By replacing the restrictive factory components from the catalytic converters back, this system optimizes exhaust flow and reduces backpressure. Constructed from high-quality stainless steel, it is built to withstand the extreme heat and rigors of high-performance driving.

Borla's engineers use patented technology and advanced sound analysis to tune the exhaust note specifically for the Viper's personality. This provides the driver with clear acoustic feedback for better throttle control and gear selection while delivering a distinct, aggressive sound. The system installs to factory-style mounting points for a secure fit.

• System Type: Cat-Back Exhaust
• Material: Stainless Steel (SS)
• Fitment: 2003-2010 Dodge Viper SRT-10 / SRT-10 ACR
• Engine Compatibility: 8.3L V10
• Manufacturer Part Number: 140048

Fits 1997-2004 Chevrolet Corvette Base, Z06, and special editions (5.7L).

Give your C5 Corvette the signature soundtrack it deserves with the Borla S-Type Classic Cat-Back exhaust system. Engineered specifically for the 5.7L LS1 and LS6 powerplants, this system utilizes a 2.5-inch diameter inlet that splits into dual 2-inch muffler outlets. The result is a deep, aggressive exhaust note that captures the muscle car character of the Corvette without the invasive drone common in lesser systems. This bolt-on kit replaces the restrictive factory mufflers and mid-pipes to improve airflow and provide a more visceral driving experience.

Constructed entirely from premium T-304 austenitic stainless steel, this system is built to outlast the vehicle itself. The T-304 material offers superior corrosion resistance compared to 409 or aluminized steel, ensuring the polished finish remains brilliant even after years of heat cycles. The system is finished with dual 4.25-inch x 3.5-inch oval polished tips on each side, providing a refined, high-performance aesthetic that fits perfectly within the factory rear valence.

• System Type: Cat-Back Exhaust
• Series: S-Type Classic
• Tubing Diameter: 2.5" into Dual 2" outlets
• Tip Description: Dual 4.25" x 3.5" Oval Polished T-304 Stainless Steel
• Exit Position: Dual Rear Exit
• Material: High-quality T-304 Stainless Steel
• Manufacturer Part Number: 140039
• Warranty: Million-Mile Warranty

Fits 1997-2004 Chevrolet Corvette Base, Z06, and special edition models.

The Borla S-Type Classic Cat-Back system (MPN 140038) delivers an aggressive exhaust note engineered specifically for the C5 chassis and its 5.7L powerplant. Constructed from premium T-304 austenitic stainless steel, this system offers superior corrosion resistance compared to 409 or aluminized steel. The design features 2.5-inch diameter piping leading into the mufflers with dual 2-inch outlets, finishing with quad 4-inch round polished tips for a bold, high-performance aesthetic.

• T-304 austenitic stainless steel construction for maximum durability and corrosion resistance
• S-Type Classic sound profile provides an aggressive, high-performance tone without compromise
• Quad 4-inch round polished stainless steel tips (two per side)
• 2.5-inch inlet piping with dual 2-inch muffler outlets for optimized flow
• Straightforward bolt-on installation into factory mounting points
• Manufacturer Part Number: 140038
• Million-mile warranty for long-term peace of mind

Fits 2003-2006 Hummer H2 Base (6.0L).

This Borla stainless steel cat-back exhaust system is engineered to provide an enhanced driving experience for the 6.0L Hummer H2. Borla engineers utilize patented technology and advanced sound analysis tools to tune each system specifically for the vehicle's personality and performance profile. The result is more than just a high-performance exhaust note; it is a functional communication conduit between driver and machine, providing the acoustic feedback necessary for precise throttle input and gear selection.

• Manufactured from premium stainless steel for long-term durability
• Patented technology tuned specifically for the Hummer H2 6.0L engine
• Delivers the signature Borla "sound of power" with unrivaled clarity
• Designed for optimized exhaust flow and performance
• Manufacturer Part Number: 140037

Fits 2002-2007 Mini Cooper Base and 2002-2003 Mini Cooper S models.

The Borla Cat-Back Exhaust System (MPN: 140030) is engineered to deliver a precision-tuned sound profile that enhances the driving experience of your vehicle. By utilizing patented technology and computer-aided design, Borla ensures a system that provides clear acoustic feedback, helping drivers maintain the powerband through better throttle input and gear selection. This system replaces the restrictive factory exhaust components from the catalytic converter back, optimizing flow while maintaining durable performance.

• Specifically tuned for 2002-2007 Mini Cooper applications
• Patented sound technology delivers unrivaled clarity and sensory feedback
• Engineered through advanced computer modeling and extensive prototyping
• Durable steel construction designed for high-performance motoring
• Direct bolt-on replacement for factory exhaust systems
• Manufacturer Part Number: 140030