Cobb Fuel Pressure Regulator Manifold Reference Relocation Kit 2008-2021 Subaru STI | 315150 vendor_IPR the pulley is guaranteed to

the pulley is guaranteed to reduce rotational mass that haunts the factory OEM pulley

Installation is the quickest around

Available with a journal bearing center section and crafted around the stock frame Evo 9 turbo

Increased reliability and boost tolerances

5043 Beehive Rev and Boost range (using an S3 profile camshaft set)

Cobb Fuel Pressure Regulator Manifold Reference Relocation Kit 2008-2021 Subaru STI | 315150 vendor_IPR the pulley is guaranteed toFitment Information: 2008 2021 Subaru STI 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. 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 Easy Installation Installation Instructions This allows for moving