Perrin Master Cylinder Brace STI Variations:Perrin Master Cylinder Brace Black STI (2008-2014) The need for power

The need for power

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

The Legacy GT version of the Hi-Power dual exhaust features 60mm pipe diameter and an integrated silencer built in to each muffler for that stealthy growl

Today it's better than ever

Spark plugs sold individually

Perrin Master Cylinder Brace STI Variations:Perrin Master Cylinder Brace Black STI (2008-2014) The need for powerThe 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