Cobb 08-14 Subaru Impreza / 15-16 WRX Fuel Pressure Regulator Manifold Reference Relocation Kit (315150)

Regular price $20.00 USD $20.00 USD Sale

Ready To Ship! Special Order! Ships in 6+ weeks

Part # cobb315150

The COBB Tuning Fuel Pressure Regulator (FPR) Manifold Reference Relocation Kit provides all the necessary components for relocating the FPR reference line to a more stable pressure source. This kit ensures a consistent and reliable fuel pressure reading for optimal performance. 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.


  • Subaru Impreza (2008, 2009, 2010, 2011, 2012, 2013, 2014)
  • Subaru WRX (2015, 2016)


  • 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

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