Not compatible with OEM B18C GSR
Boost fuel pressure is assumed to be the base pressure of 43 PSI + boost pressure
This is a Genuine Subaru left hand rear wheel arch extension
This set includes the following full bushings
improving handling and stability with two stage adjustment for a custom set-up
Spoon Sports Rigid Collar - Nissan Serena, HV C26, FC26, FPC26, HC26, HFC26 - Full Kit one_imagesimple1 Not compatible with OEM B18CDeveloped by Spoon Sports, the Japanese Honda tuning specialists, Rigid Collars are precision machined aluminium rings that lock your subframe to the chassis. Factories drill the subframe bolt holes oversized so components drop in fast on the production line, and that clearance stays for the life of the car. It leaves the subframe sitting a fraction off centre, dulling steering response and letting vibration through the floor. Fit a set and the bolts