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Max RPM: 9
using an ez out or welding a nut onto the bolt so you have something decent to grip
non-restrictive flow
This keeps the pulse velocities high and consistent compared to equal length headers with different (non-symmetrical) primary tubing geometry
Throttle Position Sensor
Outfront Motorsports -8 Offset “P” Fuel Rails For Top Feed STI TGV-Intake Manifolds Drivetrain Max RPM: 9Outfront Motorsports billet fuel rail kit fits the WRX STI Top Feed intake manifolds with no additional adapters. This is a direct bolt on. They come anodized black and include (4) 8 AN fittings and hardware to install. The offset P shaped fuel rail is an Industry first design to aid in the clearance of the AVCS solenoid and housing. These are designed to use a standard length top feed STI fuel injector.
