Spoon Sports Rigid Collar - Mazda Spiano HF21S - Rear 51320-S5A-003 Typical OEM boost controllers are

Typical OEM boost controllers are of the 2 Port variety and operate by bleeding off this pressure signal between the boost source and wastegate

RCM’s uprated carbon plates offer a substantial improvement in friction performance

Installation is at the original mounting points and is uncomplicated thanks to the 1:1 exchange

maintanance and protection of leather upholstery and other leather elements in your car

Carbon fiber and red/black design under the hood

Spoon Sports Rigid Collar - Mazda Spiano HF21S - Rear 51320-S5A-003 Typical OEM boost controllers areDeveloped 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