Cusco Brake Cylinder Stopper WRX / STI (2015-2018) Mazda Compared to the stock part

Compared to the stock part which has a very sharp bend

This Perrin Blow Off Valve cap

By allowing the you to move the pedal both closer to the driver as well as closer to the brake pedal

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

their webbed Nano- Fiber Dry filter

Cusco Brake Cylinder Stopper WRX / STI (2015-2018) Mazda Compared to the stock partThis 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