Mishimoto is proud to release the Performance Cat-back for the 2015+ Subaru WRX/STI. The biggest complaint is the stock cat-back exhaust systems lack of aggressiveness. By installing the Mishimoto Performance Stainless Steel Cat-back, the exhaust system...

The Injen Technology engineers are experts when it comes to performance, PERIOD. From Cars to Trucks to Powersports, Injen has a variety of exhaust systems to choose from. All of Injen Technology Performance exhaust systems are constructed from mandrel...

The Injen Technology engineers are experts when it comes to performance, PERIOD. From Cars to Trucks to Powersports, Injen has a variety of exhaust systems to choose from. All of Injen Technology Performance exhaust systems are constructed from mandrel...

The Injen Technology engineers are experts when it comes to performance, PERIOD. From Cars to Trucks to Powersports, Injen has a variety of exhaust systems to choose from. All of Injen Technology Performance exhaust systems are constructed from mandrel...

Get Ready to unleash some of that hidden power in your Civic Sport with Injen's stainless steel cat-back exhaust system. The SES1500TT is handcrafted out of 3" mandrel bent 304 stainless steel tubing, 100% tig welded and rocks a sick straight through...

The Injen Technology engineers are experts when it comes to performance, PERIOD. From Cars to Trucks to Powersports, Injen has a variety of exhaust systems to choose from. All of Injen Technology Performance exhaust systems are constructed from mandrel...

This BORLA Cat-Back system is the perfect addition to the Civic Sport. Our Cat-Back systems are specifically tuned for the 2.0L and are designed for easy, bolt-on installation. Our classic S-Type sound level delivers a sporty sound that enhances the...

This BORLA Cat-Back system is the perfect addition to the Civic Sport. Our Cat-Back systems are specifically tuned for the 2.0L and are designed for easy, bolt-on installation. Our classic S-Type sound level delivers a sporty sound that enhances the...

This 2.5" diameter BORLA Cat-Back system was designed specifically for the Honda Civic EX. The system features BORLA's Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple...

This BORLA Cat-Back system for the Acura Integra and Civic Si is designed specifically for these vehicles. The 2.5" diameter system features BORLA's Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters...

This BORLA Cat-Back system for the Acura Integra and Civic Si is designed specifically for these vehicles. The 2.5" diameter system features BORLA's Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters...

The BORLA Cat-Back is the perfect addition to the tenth generation Honda Civic Si. Our Cat-Back systems for the Honda Civic Si are specifically tuned for the car's 1.5L Turbo engine and are designed for easy, bolt-on installation. Our S-Type sound level...

Features a durable high-temperature ceramic black finish on T-304 stainless steel tips. BORLA Cat-Back and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust...

The BORLA® sound of power. Its been described as asonic shot of adrenaline. An intoxicating concert ofsteel, gears and combustion that echoes from thespeedways, deserts and highways of the world.The sound of more victory laps than any otherbrand, the...

Borla Performance offers a quad-exit Cat-Back exhaust for the venerable 2008-2014 Subaru WRX STI. This race-inspired system (PN140312) checks all the boxes on every Subaru enthusiasts hit list, taking this flagship to an even higher realm, of performance...

Part# 140075 is the more Aggressive "S-Type" Cat-Back. The mellow "Touring" Cat-Back exhaust is part# 140053 BORLA Performance once again leads the industry with a high flow performance exhaust for the hot Subaru WRX and WRX STI. This Cat-Back system,...

System features polished T-304 stainless steel tips. BORLA Cat-Back & Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement,...

System features polished T-304 stainless steel tips. Borla Cat-Back & Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement,...

This cat-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are dual 4 IN diameter polished 304 stainless steel exhaust...

Achieve performance gains of up to +17 HP and +20 lbs. x ft. torque with aFe's Takeda 3"-2 ½" mandrel bent, brushed finish 304 stainless steel cat-back exhaust system for your 2008-2015 Evo X. Dual, high-flow 304 stainless steel mufflers improve...