HKS Super SQV IV Sequential Blow Off Valve Kit with Suction Return - Civic FK7 FC1 RS3 ours produces no check engine

ours produces no check engine lights (EML)

These are a direct replacement/upgrade for the OEM brake line set and require no further modifications to fit

These brake pads are of the racing series and have been designed for full-on circuit applications

This HKS Billet Oil Filler Cap is made of aluminum alloy (Duralumin) with red Alumite treatment

or high flow

HKS Super SQV IV Sequential Blow Off Valve Kit with Suction Return - Civic FK7 FC1 RS3 ours produces no check engineThe Super SQV IV 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. The Super SQV will support new generations of turbocharged vehicles.