Perrin Cold Air Intake Red WRX (2008-2014) STI (2008-2018) Scion ACT's Performance Street discs are

ACT's Performance Street discs are the most popular disc purchased

2004-2013 Forester

We suggest that you use some form of engine management system such as a Cobb AccessPort to eliminate the CEL

heavy duty sway bar mount

Perrin Cold Air Intake Red WRX (2008-2014) STI (2008-2018) Scion ACT's Performance Street discs areIncrease horsepower and style under the hood of your 2008+ WRX STI with this Perrin V2 Cold Air Intake. Perrin's engineering research team has discovered that proper MAF sensor alignment and plumbing size are crucial to maintain proper air fuel ratios and prevent nasty check engine lights that can plague the competition. With this intake system alone you will see consistent gains in horsepower and throttle response. Power Add 15 30 WHP to your car.