RCM 70mm Electric Throttle Kit - Process West Reversed Inlet Manifold 53560-S84-A01 We've found these suitable for

We've found these suitable for all 6 speed STi transmissions

Another power-adding feature is the included velocity stack

bringing the 'diamond cut with black clear finish'

air ducts and side panels are made of dry carbon produced by an autoclave process

We have been developing a muffler with the goal of optimizing the exhaust system so that it can handle high output by tuning the ECU

RCM 70mm Electric Throttle Kit - Process West Reversed Inlet Manifold 53560-S84-A01 We've found these suitable forThe RCM drive by wire electric throttle body has been designed and engineered specifically for Subaru applications, for vehicles using a Process West reversed inlet manifold configuration. Manufactured from machined billet aluminum housings, it is fully assembled and ready to bolt directly to your reversed manifold, it is balanced and calibrated to a set idle condition. Patented shaftless technology, gaining up to 7% more airflow Failsafe spring