Process West Intake Manifold Cable Throttle Reverse Orientation (suits Subaru 99-00 WRX/STI) - Raw Honda the HICAS lines are left

the HICAS lines are left unsupported and hanging

Adjustment for different sized injectors

The outlet port of the intercooler was also designed with a large chamfer to provide a smooth transition out of the intercooler into the throttle body tube to further reduce turbulence in the system

The combination of a silent chamber and tuned silencer keeps drone to a minimum during everyday driving while delivering a stronger note under acceleration

Process West Intake Manifold Cable Throttle Reverse Orientation (suits Subaru 99-00 WRX/STI) - Raw Honda the HICAS lines are leftFull Billet Aluminium Plenum with Billet Bell Mouth ended Runners CNC mandrel bent tube components Suited to setups not requiring Factory AC. The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX STI when perfect aesthetics meet high end performance. What you see here is the result of years of research and testing, multiple prototypes and a ground up fully featured design process that