Cobb Tuning [08-21 STI] Fuel Pressure Regulator Manifold Reference Relocation Kit

The COBB Fuel Pressure Regulator Manifold Reference Relocation Kit moves the FPR reference line from the cylinder runner to a more stable plenum-based source on 2008-2021 Subaru STI models, helping the regulator see an average manifold pressure across all cylinders.

• Plenum-based vacuum reference for improved FPR stability
• Reducing T fitting
• Includes 4mm and 6mm silicone vacuum line
• Black zip ties included
• Designed for 2008-2021 Subaru STI
• References: COBB official product listing