Process West Intake Manifold w/ Port Injection Fuel Rails Polished 2015-2021 Subaru WRX | PWIM007PI vendor_Mishimoto and in fact

and in fact

this injector provides the fueling headroom needed for serious power gains while maintaining excellent drivability

Their 2-piece

RAYS original test: JWL+R Spec 1

you will either need to remove the factory oil cooler and cap off the coolant line coming off the water pump and at the block and/or run aftermarket headers (as it’ll have less of a fitment issue)

Process West Intake Manifold w/ Port Injection Fuel Rails Polished 2015-2021 Subaru WRX | PWIM007PI vendor_Mishimoto and in factFitment Information: 2015 2021 Subaru WRX The Process West DITTO RACE is a high performance intake manifold engineered for extreme builds on the Subaru WRX platform. Designed for tuners pushing beyond the limits of the factory direct injection system, it adds integrated port injection capability while dramatically improving airflow efficiency. Built for High Power Applications The DITTO RACE combines a precision billet plenum with large bore cast