AEM Dryflow Air Filter - Round Tapered - 2.75in Flange ID x 5.5in Base OD x 4.75in Top OD x 7.5in H | 21-2157DK Wheel Offset_75mm * 2006/2007 WRX has a

* 2006/2007 WRX has a much tighter fitment due to different factory oil cooler and exhaust manifold combination

Mounting Type: Bottom Mount

0005" metallurgical enhanced and hardened performance overlay for extended fatigue resistance

High strength JIS G3445-STKM13C (DIN2393-ST44-2) carbon steel 52mm diameter seamless shock tube

Narrow profile slots for quieter operation

AEM Dryflow Air Filter - Round Tapered - 2.75in Flange ID x 5.5in Base OD x 4.75in Top OD x 7.5in H | 21-2157DK Wheel Offset_75mm * 2006/2007 WRX has aThe AEM Dryflow Air Filter delivers exceptional filtration without sacrificing performance. Designed with a durable, oil free synthetic material, it improves airflow and horsepower while offering easy maintenance and long term reusability ideal for both street and race applications. Features: Increases horsepower and throttle response Captures up to 99% of harmful contaminants Washable and reusable for the life of your vehicle Oil free synthetic media