Seller notes

The AEM 21-478WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Subaru WRX, WRX STI, Impreza WRX and Impreza WRX STI models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in the original air box spa...

Contact Us regarding this vehicle

Contact Seller on eBay

You will be redirected to eBay

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission.