• COBB LF Bypass Valve | Subaru WRX (15-21) / Forester XT (14-18) (745670)
  • COBB LF Bypass Valve | Subaru WRX (15-21) / Forester XT (14-18) (745670)
  • COBB LF Bypass Valve | Subaru WRX (15-21) / Forester XT (14-18) (745670)
  • COBB LF Bypass Valve | Subaru WRX (15-21) / Forester XT (14-18) (745670)
  • COBB LF Bypass Valve | Subaru WRX (15-21) / Forester XT (14-18) (745670)
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COBB LF Bypass Valve | Subaru WRX (15-21) / Forester XT (14-18) (745670)

COBB LF Bypass Valve | Subaru WRX (15-21) / Forester XT (14-18) (745670)

745670

In stock

$405.00 USD
$405.00 USD $405.00 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The COBB LF Bypass Valve is a high-performance boost control component designed for the 2015–2021 Subaru WRX and 2014–2018 Forester XT. This compact and lightweight valve excels in maintaining high boost pressures without leaks, ensuring reliable turbocharger performance. Its updated design reduces control volume by 30%, enabling rapid venting of boost pressure when actuated. Precision manufacturing and innovative engineering deliver a durable and efficient valve that fits easily within tight engine bays, enhancing throttle response and reducing compressor surge. The valve’s robust construction supports consistent performance under demanding conditions, making it a dependable upgrade for turbocharged Subaru models.

This bypass valve is specifically engineered for direct fitment on Subaru WRX models from 2015 to 2021 and Forester XT models from 2014 to 2018. It serves as a direct replacement for the factory valve, providing improved boost control for street and track applications. Installation is straightforward, requiring no modifications, making it suitable for daily driving and performance tuning alike. The valve’s compact size ensures compatibility with the confined spaces of the engine bay, and its design supports high boost levels without compromising reliability. This component is ideal for enthusiasts seeking enhanced turbo response and durability in their Subaru’s forced induction system.

Overview

COBB Bypass Valve

Fitment: 2015-2021 Subaru WRX / 2014-2018 Subaru Forester XT

Part #: 745670

Overview

The COBB LF Bypass Valve is a precision-engineered performance drivetrain component designed to manage boost pressure efficiently in turbocharged Subaru WRX and Forester XT models. This compact and lightweight valve is built to hold high levels of boost without leaks, making it an ideal upgrade for enthusiasts seeking reliable boost control and improved turbo response. Its innovative design reduces control volume by 30%, enabling extremely fast venting of boost when actuated, which supports smoother and more responsive turbo operation.

Engineered for tight engine bays, the COBB LF Bypass Valve offers a space-saving solution without compromising durability or functionality. It is perfect for drivers who demand consistent performance and reliability from their turbo system while maintaining factory-like fitment and ease of installation.

Key Features

This bypass valve delivers a blend of advanced engineering and practical benefits, including:

  • Compact and lightweight design for easy fitment in confined engine bays
  • Reduced control volume by 30% for faster boost venting and improved throttle response
  • High boost pressure tolerance to prevent leaks and maintain consistent performance
  • Precision manufacturing for reliable operation under demanding conditions
  • Durable construction designed to withstand repeated actuation and heat exposure

Installation & Fitment

The COBB LF Bypass Valve is designed as a direct replacement for the factory bypass valve on compatible Subaru WRX and Forester XT models. Installation is straightforward, requiring no modifications, and fitment should be verified against your vehicle’s specifications and part number to ensure compatibility.

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