GSC Power-Division Exhaust 23-8N Chrome Polished Valve Set of 8, 29mm STD (gsc2021-8) 2551 Multi-ply silicone design with internal

Multi-ply silicone design with internal wire reinforcement

HP4-XTSS kit features an Xtreme pressure plate for the most demanding driver

Only VR30 heat exchanger chosen by INFINITI USA for their Motorsport Catalog

Invidia offers several exhaust system product lines to meet the expectations of nearly any automotive enthusiast

GSC Power-Division Exhaust 23-8N Chrome Polished Valve Set of 8, 29mm STD (gsc2021-8) 2551 Multi-ply silicone design with internalWhen 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