Spoon Sports Rigid Collar - Subaru Impreza/WRX GRB,GRF - Full Kit Ohlins The end result is an

The end result is an elbow set that dramatically impoves the exhaust gas flow efficiency

sharper teeth

and providing excellent pedal feel and direct operation even in harsh environments such as circuit driving

Direct replacement for the standard plastic plenum

With engine power being so closely related to airflow

Spoon Sports Rigid Collar - Subaru Impreza/WRX GRB,GRF - Full Kit Ohlins The end result is anDeveloped 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