COBB Subaru Fuel Pressure Regulator Manifold Reference Relocation Kit For 2008-15 Subaru STI - 315150
COBB315150
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CA WARNING:
Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information go to
www.P65Warnings.ca.gov/motor-vehicle-parts.
SUBARU FUEL PRESSURE REGULATOR MANIFOLD REFERENCE RELOCATION KIT
Description
The COBB Tuning Fuel Pressure Regulator Manifold Reference Relocation Kit includes everything you need to relocate the FPR reference line to a more stable pressure source.
Why?
This allows for moving the fuel pressure regulator's manifold pressure reference away from the #4 cylinder runner and into a plenum-based source, similar to the method used on the previous generation 2004-2007 STI. This helps prevent unwanted manifold pulsations from affecting the FPR as the plenum is a common area of the manifold that represents the average vacuum/boost of all cylinders rather than a singular cylinder.
Emissions
This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles.
Features:
- Improved Vacuum Reference for the FPR - Plenum Based (COBB) vs. Individual Cylinder Runner (OEM)
- Reducing "T" Fitting
- 4mm and 6mm Silicone Vacuum Line
- Black Zip Ties
Installation Instructions
Installation Instructions
Fitment
Fitment
