GSC Power-Division Single Exhaust 23-8N Chrome Polished Valve, 30mm (+1mm) STD (gsc2023-01) 1701 controlled automatically by the factory

controlled automatically by the factory electronics

For Q5/SQ5 S5 owners looking to fine tune the sound of their 3

So much down force tends to crack the front bumper

75 in / 146 mm and moves it rearwards by 1 in / 25 mm

This kit is recommended for all daily-driven 6

GSC Power-Division Single Exhaust 23-8N Chrome Polished Valve, 30mm (+1mm) STD (gsc2023-01) 1701 controlled automatically by the factoryWhen 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