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...

2-Bolt High Temperature Exhaust Gasket (76mm/3" I.D.) 76mm Hole Diameter 105mm Bolt Hole Spacing This is the typical exhaust gasket for a...

4-Bolt High Temperature Exhaust Gasket (76mm/3" I.D.).  This is a custom gasket designed for TurboXS exhausts systems on the 2002-2007...

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...

63mm ID; 2 Hole; 304 Stainless Steel Spacer Gasket.  This gasket is a "spacer gasket" for 2002-2007 Subaru WRX or ?2004-2007 Subaru WRX...

To unleash the full potential of your Gencoupe's 2.0T Theta powerplant, you need to do two simple things: Let it breathe in easier and...

Donut Gasket with 63mm/2.5 inch Inside Diameter.  This is a TurboXS designed custom gasket that is used in several of our exhaust...

Donut Gasket with 76mm/3 inch Inside Diameter.  This is a TurboXS designed custom gasket that is used in several of our exhaust systems.  

Replacement 2 hole Gasket at the back of the W15-FP-1 (J Pipe) or Front section of the W15-FPC 78mm Hole Radius 96mm Bolt Hole Spacing...

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

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...