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...

TurboXS "TowTag" 2015+ BMW License Plate Relocation Kit.  ?Unfortunately, in many states (including our home state of Maryland) “Johnny...

Replacement Bosch VW Oxygen sensor for TurboXS Tuner-VW (Bosch Connector pictured)?

This Bosch knock sensor is a replacement for the knock sensor that is included with the TurboXS Tuner-Pro.

Application Model Years: 2004-2006 STI,LGT,FXT,BAJA (All Side Feed Injector 2.5L Engine).  Please go to the Download Section for the to...

Application Model Year: 2002-2005 WRX.  Please go to the Download Section for the to the Download Section for the Instruction Manual,...

All 304 Stainless Steel construction with 3.5 inch double walled rolled tip and now with 3 inch piping. The FXT-RMA is a direct...

Allows you to mount a TurboXS BOV-H or BOV-H-RFL to an intercooler pipe that is flanged for an HKS Super Sequential Valve. Blow Off Valve...

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...

Application Model Year: 2006-2011 WRX / 2007+ STI/LGT/FXT/BAJA; Outside of the US: 2006+ Top Feed Injector Vehicles only.  Please go to...

An oil catch can is crucial on a high-performance vehicle.  Without it, oil-saturated air circulates back into the air intake stream...