Whiteline Positive Shift Kits WRX / STI (2008-2018) Audi Our testing has shown the

Our testing has shown the optimum core design is the 3/8” bar and plate style that has a 3/8” charge air and ambient air path

5 liter WRX & STI

Only compatible with the OEM Subaru Header

The PERRIN Blow Off Valve cap features adjustable spring tension

This unit is a complete bolt-on that functions perfectly with the stock tune and can be installed in one hour using common hand tools

Whiteline Positive Shift Kits WRX / STI (2008-2018) Audi Our testing has shown theThe Whiteline Flat Out Positive Shift Kit for the Subaru WRX STI is an effective option to crisp up gear shifts. The Positive Shift kits include simple poly bushings that replace the soft OEM units, and the Motorsports version offers still a firmer bushing. This kit stiffens up the transmission mounting point that is underneath the transmission itself. The Whiteline Positive Shift Kit is great part to add to your WRX STI at the same time you upgrade