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,...

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...

TurboXS Internal Wastegate Bracket is designed to fit IHI Turbochargers when switching to an External Wastegate configuration. This...

The largest and best FMIC for your 2013-15 Gencoupe!     One of the main causes of inconsistent horsepower output from your Gencoupe is...

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

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...

?   Add style to your 10th Gen Civic Si (or Sport) Engine Bay with the new TurboXS Anodized Aluminum Oil Cap! Replace the bland plastic...

?   Add style to your 10th Gen Civic Si (or Sport) Engine Bay with the new TurboXS Anodized Aluminum Oil Cap! Replace the bland plastic...

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

Dress up your 2015 WRX or STi's engine bay with our anodized aluminum Radiator Stays!  ? Direct Replacement for 2015+ WRX and STI? Made...