Perrin Master Cylinder Brace STI Variations:Perrin Master Cylinder Brace Black STI (2008-2014) Added comfort for low profile

Added comfort for low profile tire applications

you can expect torque cut control to kick in and rob you of performance until temps drop within a 'safe' parameter

this valve is designed to vent partly to atmosphere and partly back to the intake giving you the "best of both worlds"

You will also benefit from the more direct connection between your 2004-2007 STI's body and rear suspension delivering more predictable dynamic behavior

there are times when you’d prefer to be seen

Perrin Master Cylinder Brace STI Variations:Perrin Master Cylinder Brace Black STI (2008-2014) Added comfort for low profileThe 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