GSC Power-Division 21-4N Single Intake Valve-35mm (+1mm) (gsc2284-01) 1772 aggressive BOXER tone

aggressive BOXER tone

BORLA(r) muffler hanger design moves the hanger out of sight for a clean appearance

If you're looking for an aggressive

It's a simple bolt on that takes your MK8 exhaust from rowdy to sophisticated

GSC Power-Division 21-4N Single Intake Valve-35mm (+1mm) (gsc2284-01) 1772 aggressive BOXER toneWhen creating our new valve line we set out to create the best performance, longest lasting valves available to the aftermarket. Using advanced 3D design and simulation software, we have created a stronger and higher flowing valve head design. We flow test prototype valve heads in the specific applications to make sure we have the highest flowing valve head available on the market today. With the materials used, we have less valve distortion at the