Process West Intake Manifold Track Version Black (04-21 STI)

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  • Track version
  • Reverse throttle position
  • Full billet aluminum plenum 
  • Biller bell mouth ended runners.
  • CNC mandrel bent tube components.
  • Anodized black finish.
  • Designed with extra vacuum provisions. 
  • The manifold is the result of years of research and testing, multiple prototypes and ground-up redesign of the original groundbreaking “Corsa Veloce" product range.
  • High-end TIG welding assembly makes them suitable for up to 100psi boosted applications.
  • The plenum volume and runner length combination has been selected for aggressive low and mid-range torque while opening power higher in the rev range.
  • The plenum volume is large enough for serious gains but is still compatible with factory AC.
  • The Street version is suitable for any level of performance modification as they have conducted tests on completely stock engine/turbo/fuel system setups with approximately 9% gains in torque and power level, with the same percentage gain on highly modified setups running E85.
  • Designed for vehicles no longer running AC.
  • 10% gains in both horsepower and torque on a stock engine

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