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COBB Fuel Pressure Regulator Manifold Relocation Kit 2008-2021 STI

SKU 315150
Original price $20.00 - Original price $20.00
Original price
$20.00
$20.00 - $20.00
Current price $20.00

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. 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.

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