Injen Polished SP Aluminum Series Short Ram Air Intake System for Subaru WRX STI 2018-21 (SP1208WB) 2516 and is easily installed in

and is easily installed in two hours or less

Dyno Proven gains of up to 15 hp and 18 lb-ft

Truhart adjustable rear toe control arms allow you to set your rear toe to dial in your suspension to your desired needs

but also the increased temperatures and pressures of a built motor without bulging

bypassing the tiny MPI injector orifice found on some factory equipment

Injen Polished SP Aluminum Series Short Ram Air Intake System for Subaru WRX STI 2018-21 (SP1208WB) 2516 and is easily installed inInjen 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