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...

?   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 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...

To unleash the full potential of your Gencoupe's 2.0T Theta powerplant, you need to do two simple things: Let it breathe in easier and...

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

The largest and best FMIC for your 2010-2012 Gencoupe!    Why do you need this: One of the main causes of inconsistent horsepower output...

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 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 kit mounts the blow off valve on the throttle body nicely. Stainless steel T bolt clamps and multi ply silcone used to keep a...

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 Greddy Kit mounts the blow off valve on the throttle body nicely. Stainless steel T bolt clamps and multi ply silcone used to keep a...