COBB Fuel Pressure Regulator Manifold Reference Relocation Kit (315150) | Subaru STI 2008-2021

This COBB Fuel Pressure Regulator Manifold Reference Relocation Kit provides a cleaner, more reliable way to route the manifold reference signal to your STI’s fuel pressure regulator. By improving line routing and eliminating the factory’s less ideal configuration, this kit supports more consistent fuel pressure behavior especially helpful for tuned or modified engines operating under varying load and boost conditions.

KEY FEATURES

• Improves routing of the manifold reference signal to the fuel pressure regulator
• Enhances fuel pressure consistency under boost and transient throttle changes
• Engineered for clean installation and upgraded line management
• Durable components designed to withstand heat and engine bay conditions
• Ideal support upgrade for tuned and higher-demand fuel system configurations

TECHNICAL SPECIFICATIONS

• High-quality hoses and fittings designed for long-term reliability
• Optimized reference line length improves pressure signal accuracy
• Components built to maintain stability under elevated boost levels
• Designed to integrate seamlessly with COBB and OEM fuel system hardware
• Constructed for resistance to fuel vapor, heat, and engine bay abrasion

VEHICLE FITMENT

• Subaru STI 2008-2021

COBB delivers proven, data-driven performance solutions engineered to optimize your Subaru with unmatched precision and reliability.