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

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...

The TurboXS 2018+ Kia Stinger GT Hybrid Blow Off Valve is our newest blow off valve and is designed specifically to replace the stock...

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

TurboXS introduces the 2008 WRX and STI Cold Air Intake. As rule of thumb on a turbocharged vehicle you will want to free up the flow...

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...

The TurboXS RX8 High Flow Cat is a great alternative to running a completely catless exhaust. We use a 200 cell metal matrix cat for high...

Specifically designed for MY 2002 - 2007 Subaru WRX and STi's will also fit the 2008-2012 STI, the WS-RBV requires no adapter kit to...

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...

The WRX08-RFL or "Really F#$%!@ Loud" valve is designed specifically for those who want the loudest vent to atmosphere blow off valve...

Specifically designed for MY 2008+ Subaru WRX & 2004+ Legacy GT. The WRX08-RBV requires no adapter kit to install. It is designed for...

TurboXS releases the first Hybrid Blow Off Valve designed specifically tuned for the 2008+ Subaru WRX or 2004+ Legacy GT. The valve...