RCM Parallel Fuel Rail Kit / RCM Performance Fuel Regulator (SPEC-C Models) Steering heavy duty flanges and a

heavy duty flanges and a high-quality stainless steel flex section ensure exact fitment and no leaks due to engine vibration and movement under extreme driving conditions

The STI Hardened Gearbox Mount is produced by STI in Japan and has long been a valuable asset to many of the Impreza

It's so awesome in fact

With engine power being so closely related to airflow

RCM Parallel Fuel Rail Kit / RCM Performance Fuel Regulator (SPEC-C Models) Steering heavy duty flanges and aParallel fuel lines are a great addition to any engine, not only do they provide a more consistent volume of fuel to your injectors but they also yield key safety benefits. With Subaru's standard fuel system design, fuel is fed by a pump from the tank to the front of your car passing through the fuel filter (located in the engine bay) before being fed into the fuel rails. Fuel is then delivered to each cylinder one by one, starting with cylinder four.