Whiteline Front Sway Bar Adjustable 22mm WRX (2011-2014) STI (2008-2014) Universal The plastic Bosch valve is

The plastic Bosch valve is prone to failure when running higher than stock boost levels

Perrin's STI FMIC kits mount to their powder coated boxed steel replacement bumper beam with 1/2" thick mounting plates

All necessary hardware and detailed instructions are included to simplify installation

Cusco has designed these braces to be fully functional in conjunction with Cusco's other lower braces

Agency Power has developed one of the best sounding and performing exhaust systems for the 2011-2014 WRX hatchback and 2008-2014 STI hatchback

Whiteline Front Sway Bar Adjustable 22mm WRX (2011-2014) STI (2008-2014) Universal The plastic Bosch valve isThis 22mm adjustable sway bar from Whiteline for the Subaru WRX STI allows trimming of oversteer understeer through varying the sway bars ability to resist weight transfer via increasing or decreasing the effective arm length of the sway bars mounting position. If desired you can even set one side at the "hardest" position and set the other side at the "softest" position to achieve your desired effects.