Process West Intake Manifold MY99-21 Stock Throttle Position Suit Bosch 74mm DBW Throttle Body | PWIM009B Vehicle Model_TSX oil particles are carried in

oil particles are carried in that air which causes your intake system and intake valves to become coated in oil which leads to carbon buildup on the valves and reduced octane levels

Designed for Race Applications

By reducing the weight by more than 75% this will give your shifter a direct feel

Part #: 98552030 RF2HS

All Boost Lab turbochargers are VSR balanced & tested and come with an industry standard 1 year/unlimited mile warranty

Process West Intake Manifold MY99-21 Stock Throttle Position Suit Bosch 74mm DBW Throttle Body | PWIM009B Vehicle Model_TSX oil particles are carried inFitment Information: Subaru WRX 2002 2014 Subaru STI 2004 2021 Intake manifold Reverse orientation to suit Bosch drive by wire 74mm throttle body. Fits 1999 to current EJ engines. Requires Bosch part number 0 280 750 473. Not included. Full 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