Spoon Sports Rigid Collar - Mazda MAZDA3 Sedan BPFJ3P, BP8R, BPFJ3R - Front simple3 RCM 3 port boost controller

RCM 3 port boost controller kit

4 port solenoids are more sensitive than 3 port solenoids and finding the correct control frequency to achieve stable boost control for your EMS and setup is part of proper boost control tuning

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This also helps improve stability at higher speeds

6 (M16A engine)

Spoon Sports Rigid Collar - Mazda MAZDA3 Sedan BPFJ3P, BP8R, BPFJ3R - Front simple3 RCM 3 port boost controllerDeveloped 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