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

Utilizing a uniquely engineered ball/spring mechanism combine with an adjustable bleed valve, the BC-HPBC allows you to spool your turbo...

Simple, inexpensive, and effective way to control your boost level and generate more power from your engine. Bleed type boost controller...

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...