Perrin Master Cylinder Brace STI Variations:Perrin Master Cylinder Brace Black STI (2008-2014) No O2 sensor spacers needed

No O2 sensor spacers needed

Today it's better than ever

Sensor 1 Style:

a new silicone hose is included to mate our new discharge adapter to the next and most important item in the kit

Protect your forced induction investment into the FR-S and BRZ with the new AVO Turboworld Dual Breather Tank Setup

Perrin Master Cylinder Brace STI Variations:Perrin Master Cylinder Brace Black STI (2008-2014) No O2 sensor spacers neededThe Perrin master cylinder support brace for the Subaru STI provides the much needed support for the master cylinder and brake booster that the stock setup just can't provide. When force is placed against the brake pedal, the brake booster and master cylinder will actually flex, and over time can fatigue to the point of failure. The designers at Perrin have devised a simple plan to fix this problem; a brace cut from 6061 aluminum that bolts to the