AEM 3 in x 5 in Dryflow Air Filter 5x120 Cooler air carries more oxygen

Cooler air carries more oxygen

The air filter is relocated to the front of your car near incoming air to reduce intake air temperature and increase horsepower

This air intake system was developed to accommodate the engine's factory emissions control devices including the replacement silicone breather hose

ACL Subaru 4 EJ20/EJ22/EJ25 High Performance Oil Pump

tuned and dyno-tested to fit specific Subaru WRX STI models

AEM 3 in x 5 in Dryflow Air Filter 5x120 Cooler air carries more oxygenAEM Dryflow Universal Clamp on Air Filters are washable synthetic air filters designed for a high efficiency combination of air flow, filtration, and performance. AEM Dryflow filters use an innovative high performance oil free filtration material that allows easy cleaning, durable service, and excellent filtration. This clamp on universal air filter has a filter top for higher air flow capability making it great for everyday use.