With new and improved styling, the BOV-H-RFL remains true to it's roots - it's still really f'n loud! Like all our valves, the RFL...

The WS08-CP-V2 is a 3 inch High Flow Catalytic Converter designed specifically for your 2008-2014 Subaru WRX and STi.  It has a 100cpi...

The TurboXS catback exhaust for your 2015 WRX and STi is one of the first and best modifications you should do to your new Subie.  Uncork...

NEW DESIGN!  TurboXS 2008-2018 WRX/STI downpipe with high flow catalytic converter uses a massive cast 304 Stainless Steel Bellmouth that...

Front Pipe (J-pipe) with High Flow Catalytic Converter for your 2015 Subaru WRX (W15-FPC).  ?So you want to get more power from your WRX...

The Genesis 2.0T Blow Off Valve Kit is a complete bolt on valve. Which allows you remove the factory bypass valve and replace it with our...

Not too loud and not too quiet, the WS02-XS-HYB from TurboXS is the valve for you if you want an upgraded Blow Off Valve that you can...

Not too loud and not too quiet, the W15-XS-HYB from TurboXS is the valve for you if you want an upgraded Blow Off Valve that you can hear...

If you want performance gains for your 2015+ WRX BUT you want to keep a catalytic converter AND don't feel like dropping a ton of money,...

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

Midpipe for version 2 TurboXS exhaust systems.  Unlike our original midpipe design which was designed to be used only with a TurboXS...

Reduce that drivetrain "shudder" you feel during hard acceleration by installing a TurboXS Pitch Stop Mount.  Pretty much any...