SKU: cobb745670 Cobb LF By-Pass Valve for 15-18 WRX, 14-18 FXT

The COBB LF By-Pass Valve is a high-performance solution designed for 2015-2018 Subaru WRX and 2014-2018 Subaru Forester XT. Engineered to enhance your vehicle's turbocharged engine, this by-pass valve offers improved reliability and response time over the stock unit.

Key Features:

• High Boost Pressure: Capable of holding very high boost pressure without leaking.
• Compact and Lightweight: The updated design reduces control volume by 30%, allowing for fast venting of boost when actuated.
• Innovative Engineering: Precision manufacturing results in a compact package that fits within the tight confines of your engine bay.
• Enhanced Durability: The piston o-ring seal is twice the diameter of previous models, providing more seal compression and reduced wear.
• Improved Response Time: Low weight components reduce inertia, allowing faster response than heavier components in other bypass valves.
• 360-Degree Adjustability: Banjo-fitting vacuum port offers flexible hose routing for simpler installation and fewer potential leak points.
• Increased Clamping Force: The updated spring and seal design increases clamping force by 60% at peak boost while maintaining similar operation at idle and transient loads.

Technical Specifications:

• Old Spring (Uncoated): Free length: 3.5", Rate: 7.4 lbf/in, Bench cracking vacuum: -5.7 psi.
• New Spring (Yellow): Free length: 2.25", Rate: 40.5 lbf/in, Bench cracking vacuum: -6.7 psi.

Upgrade your Subaru WRX or Forester XT with the COBB LF By-Pass Valve for unmatched performance and reliability. This valve ensures your engine operates at peak efficiency, providing a smoother and more responsive driving experience.