THIS ITEM HAS BEEN DISCONTINUED.  ?The Dual Stage Boost Controller allows you to switch between two preset boost levels with the flip of...

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 TurboXS 2018+ Kia Stinger GT Hybrid Blow Off Valve is our newest blow off valve and is designed specifically to replace the stock...

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

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...

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 TurboXS RX8 High Flow Cat is a great alternative to running a completely catless exhaust. We use a 200 cell metal matrix cat for high...

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