Spoon Sports Rigid Collar - Mazda MAZDA3 Fastback BP5P, BP8P, BPFP, BPEP - Rear Tools The stock SCHA has been

The stock SCHA has been indentified as the source of these "mystery" issues in most cases

The Hydrophilic coating clears water from the mirror

T304 stainless steel cage support structure

high flow sports cat

Furthermore

Spoon Sports Rigid Collar - Mazda MAZDA3 Fastback BP5P, BP8P, BPFP, BPEP - Rear Tools The stock SCHA has beenDeveloped 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