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...

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

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

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...

You bought the Mazdaspeed 3 instead of the NA Mazda 3 for a reason. Performance. So why not make your MS3 look and sound as fast as it...

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...

The MS3-RBV was designed for those who want a replacement recirculating bypass valve that can handle any boost you throw at it.  Unlike...