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...

Invidia 2015+ WRX/STi 4 Door 80mm Single Outlet Full Titanium Cat-Back ExhaustThis Part Fits:YearMakeModelSubmodel2015-2016SubaruWRXBase2015-2016SubaruWRXLimited2015-2016SubaruWRXPremium2015-2016SubaruWRX STIBase2015SubaruWRX STILaunch...

Invidia 08-14 WRX/STi 4 Door 80mm Single Outlet Full Titanium Cat-Back ExhaustThis Part Fits:YearMakeModelSubmodel2008-2014SubaruImprezaWRX2010-2014SubaruImprezaWRX Limited2009-2014SubaruImprezaWRX Premium2008-2014SubaruImprezaWRX...

Invidia 02-07 WRX/STi 80mm Full Titanium Cat-back ExhaustThis Part Fits:YearMakeModelSubmodel2002-2007SubaruImprezaWRX2006-2007SubaruImprezaWRX Limited2004-2007SubaruImprezaWRX STI2007SubaruImprezaWRX STI Limited2006-2007SubaruImprezaWRX TR

The SES1583CF is everything you could ask for from a performance exhaust system. From the Investment Cast Flanges to the Triple Carbon Fiber Exhaust Tips, this kit is designed for peak performance while maintaining a powerful tone and sensible volume...

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 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...

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...

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...

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...

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 4-1/2 IN diameter polished 304 stainless steel...

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 4-1/2 IN diameter black 304 stainless steel clamp-on...