HKS SQV4 Universal Super Sequential Blow Off Valve Kit Subwoofers Rear Shock - For use

Rear Shock - For use with M14 lower mounting bolt

Skunk2’s 76mm MegaPower RR Exhaust system for the '07-'11 Civic Si sedan was developed with this in mind and is based off of more than 15 years’ worth of racing experience

(20) 4-inch wire ties

Comes with 21

CAN or both

HKS SQV4 Universal Super Sequential Blow Off Valve Kit Subwoofers Rear Shock - For useHKS Super SQV (Sequential Blow Off Valve) uses a unique sequential valve structure and a differential pressure control system, which allows for a broad operating range from low boost to high boost. Its Pull Type relief design ensures stable operation regardless of the amount of boost pressure. This Super SQV maximizes the charge response that repeats pressure charging and pressurized air relief by throttle on and off and supports new generations of