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Replace the restrictive OEM plastic charge pipe and increase airflow and intercooler efficiency with the PERRIN Charge Pipe for WRX
Silencer included for days when you need to dial it back
From computer modeling the damper is printed on a 3D additive printer and sent to select industry leading engine builders for fitment verification
Expand your wheel options with PERRIN Wheel Adapters - a safe
GSC Power-Division Viton Valve Stem Seals Subaru EJ Turbo Models (inc
GrimmSpeed Bypass Valve RED - 2015-2021 Subaru WRX Wheel and Tire Accessories>Hubcentric Rings Replace the restrictive OEM plasticThe GrimmSpeed bypass valves are the best in town, boasting enhanced performance, superior reliability, and effortless manufacturability. The V2 BPV features a 38mm aluminum piston that releases pressure in a jiffy and promises leak free functioning with buna n o rings. The valve body and base are made of billet 6061 aluminum alloy, anodized for corrosion resistance, and comes with a red finish. With no tuning required, the BPV is a must have for