Perrin Cold Air Intake Red WRX (2008-2014) STI (2008-2018) Universal The unit is very compact

The unit is very compact and efficient

All diaphragms endure a four-stage

This product cannot be returned or exchanged based upon volume preference

straight-through perforated stainless steel core

Will not fit Hatchback models from 1993-2007

Perrin Cold Air Intake Red WRX (2008-2014) STI (2008-2018) Universal The unit is very compactIncrease 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.