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

The Supreme SP from GReddy for the 2008-2014 Subaru WRX and STI Hatchback features a large horizontally mounted

spring-centered disc is recommended for larger clutch sizes to absorb more heat

and quite unsightly

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.