Process West Intake Manifold Cable Throttle Stock Orientation Subaru WRX/STI (GC8) MY99-00

Intake Manifold Cable Throttle Stock Orientation - Subaru WRX/STI (GC8) MY99-00

Process West has spent years refining its billet intake manifold range, and this cable throttle, stock orientation unit brings that same engineering to the Subaru WRX and STI owner who wants real gains without reworking the throttle setup. Every manifold is CNC machined from solid billet aluminium with generous bell-mouth runners and TIG welded mandrel bent tubing, giving it strength no cast unit can match.

This listing covers the Subaru WRX and WRX STI (GC8), MY99-00, SKU PWIM005. It's available in Silver (PWIM005) or Black (PWIM005B) — select your preferred finish from the variant options on this listing.

Key Features

• CNC machined from solid billet aluminium
• Bell-mouth runner entries for improved airflow
• Thick wall mandrel bent tube construction, polished and TIG welded
• Rated to 100 psi (689 kPa) boost pressure
• Plenum and runner length tuned for strong low and mid-range torque
• Retains compatibility with factory air conditioning
• Around 9% gains in torque and power recorded on stock and modified setups, including E85 tunes
• Custom throttle flanges available on request

Vehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please confirm your vehicle's build date and throttle configuration before ordering.

Not sure if this manifold suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.