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...

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...

License Plate Delete; Billet Aluminum; Black Anodized; CNC Machined "STi" Logo So you relocated your License Plate and now you have...

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

License Plate Delete; Billet Aluminum; Black Anodized; CNC Machined "TurboXS" Logo So you relocated your License Plate and now you have...

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

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

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...

Allows you to mount a TurboXS BOV-H or BOV-H-RFL to an intercooler pipe that is flanged for an HKS Super Sequential Valve. Blow Off Valve...

The Evolution X High Flow Cat-pipe allows you to bolt on horsepower while keeping a catalytic converter on the car.? Designed to be used...