Process West Cold Air Intake 72mm Subaru WRX / STI 2008-2014 | PWCAI04 vendor_Go Fast Bits the stock Evo 8 &

the stock Evo 8 & 9 are designed to be biased towards understeer

which improves handeling and responsiveness

K&Ns replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration

Part #: P7F906

Process West Cold Air Intake 72mm Subaru WRX / STI 2008-2014 | PWCAI04 vendor_Go Fast Bits the stock Evo 8 &Vehicle Fitment: 20082014 Subaru WRX 20082014 Subaru STI Upgrade your intake system with the Process West 72mm Cold Air Intake, designed as a direct replacement for the factory setup on 20082014 Subaru WRX and STI (GRB chassis). Engineered to reduce intake restriction, this system improves airflow into the EJ engine for better performance and throttle response. Improved Intake Sound By eliminating the restrictive factory airbox, this intake produces a