Injen 18-21 Subaru WRX STI H4 2.5L Turbo SP Aluminum Series Cold Air Intake - Polished Air Intake Systems>Intake Gaskets scraping your undercarriage

scraping your undercarriage

AEM's Wideband Controllers with X-Series digital technology can reduce deadtime and improve the performance of your vehicle through more accurate AFR tuning

Stunning looks

To maximize the cruising experience this kit maintains the C8 AFM valve functionality in addition to the C8 NPP valves for the best on-road

Large Five Layer Performance Air Filter: This 360-degree radial flow air filter features a 3-1/4" x 6-1/2" flange and our pre-oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum performance

Injen 18-21 Subaru WRX STI H4 2.5L Turbo SP Aluminum Series Cold Air Intake - Polished Air Intake Systems>Intake Gaskets scraping your undercarriageInjen Technology has done it once again with this new short ram air intake for the 2018 2021 Subaru WRX STI Equipped with the H4 2. 5L Turbo Engine. The Injen Technology SP1208 performance air intake system is the result of countless hours invested in research and development to provide a proven intake system designed to add power and performance to your STI. The Injen Technology SP1208 intake system is a direct replacement for that restrictive