COBB Tuning Fuel Pressure Regulator Manifold Reference Relocation Kit Epic Engineering Drivability is similar to the

Drivability is similar to the stock clutch

75 in (222 mm)

Direct Fit for Easy Install

The pipe diameter was chosen for optimum exhaust flow efficiency

The N1 Down Pipes come with our trademark black powder coated mild steel pipes

COBB Tuning Fuel Pressure Regulator Manifold Reference Relocation Kit Epic Engineering Drivability is similar to theDESCRIPTION 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