Huge bolt on replacement core that is 3.5" x 11.75" x 24" dwarfing the stock core. The bar and plate core design dramatically improves...

It's pretty easy to make a make a catless downpipe that makes power.  It's much harder to make a downpipe with a catalytic converter yet...

The Evolution X High Flow Cat-pipe allows you to bolt on horsepower while keeping a catalytic converter on the car.? Designed to be used...

The Genesis 2.0T Blow Off Valve Kit is a complete bolt on valve. Which allows you remove the factory bypass valve and replace it with our...

TurboXS RFL Catback Exhaust for the Cobalt SS TC is just that "Really Fuckin' Loud".  As with anything we put our "RFL" tag on, this part...

The largest and best FMIC for your 2010-2012 Gencoupe!    Why do you need this: One of the main causes of inconsistent horsepower output...

With new and improved styling, the WS02-XS-RFL remains true to it's roots - it's still really f'n loud! Like all our valves, the RFL...

Not too loud and not too quiet, the WS02-XS-HYB from TurboXS is the valve for you if you want an upgraded Blow Off Valve that you can...

The Lancer Ralliart High Flow Cat-pipe allows you to bolt on horsepower while keeping a catalytic converter on the car.?? Designed to be...

Not too loud and not too quiet, the W15-XS-HYB from TurboXS is the valve for you if you want an upgraded Blow Off Valve that you can hear...

TurboXS releases the first Hybrid Blow Off Valve designed specifically tuned for the Mazdaspeed 3 & 6. The valve features an...

The JUKE-XS-RFL is the blow off valve of choice for the Nissan Juke owner looking for the loudest blow off valve available on the...