Cusco Brake Cylinder Stopper WRX / STI (2015-2018) Mazda Q300 exhaust systems utilize 60mm

Q300 exhaust systems utilize 60mm piping

as well as tire pressure monitoring sensors (if applicable)

This permits the roll stiffness to be tuned for different situations without replacing the entire bar

Compared to the stock part which has a very sharp bend

Corsa Performance has improved sound quality that was designed specifically to the harmonics that the 2015+ WRX produces without causing annoying exhaust frequencies known as drone

Cusco Brake Cylinder Stopper WRX / STI (2015-2018) Mazda Q300 exhaust systems utilize 60mmThis Cusco Brake Cylinder Stopper for the Subaru WRX STI has been designed to reinforce the mounting points of the brake master cylinder and to repair the inherent flex between the brake master cylinder, and the firewall. This is a common issue for those of you who auto x or participate in weekend track days where extreme braking will occur. Installation can be performed with basic tools as the holes on this brake cylinder stopper match the existing