HKS Super SQV4 BOV - Silvia S15 SR20DET Wagner Tuning Rear under spoiler compatible with

Rear under spoiler compatible with both Mugen sports silencer and standard muffler

By following these easy steps

which can maintain stable output with this intercooler kit

including individual throttle bodies

The intake requires a 70mm or larger throttle body and the RBC/RRC style intake manifolds

HKS Super SQV4 BOV - Silvia S15 SR20DET Wagner Tuning Rear under spoiler compatible withHKS specializes in aftermarket high performance auto parts engineering and manufacturing, and perhaps is the most known aftermarket brand in the world. Formed in 1973, and named after the founders Hasegawa, Kitagawa, and Sigma, HKS began tuning engines and cars. Their a vision was to tune and manufacture engine components that surpasses OE Manufacturers. The SQV4 uses a unique sequential valve design and pressure control system. This allows for a wide