Injen Polished SP Aluminum Series Short Ram Air Intake System for Subaru WRX STI 2018-21 (SP1208WB) 2516 bypassing the tiny MPI injector

bypassing the tiny MPI injector orifice found on some factory equipment

Full 3" dual catback build for big boost

Supports up to 11

4" double-walled tips available in Chrome Silver or Diamond Black

NZ2-XTR6 kit features an Xtreme pressure plate for the most demanding driver

Injen Polished SP Aluminum Series Short Ram Air Intake System for Subaru WRX STI 2018-21 (SP1208WB) 2516 bypassing the tiny MPI injectorInjen 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