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COBB Tuning LF Bypass Valve Rebuild Kit V2 Subaru | Mazda | Mitsubishi | Nissan 2002-2022
$20.00

COBB Tuning LF BPV Rebuild Kit V2

Keep your COBB LF Bypass Valve performing at its best with the LF BPV Rebuild Kit V2. This comprehensive kit comes packed with all the essential hardware and o-rings you'll need to fully rebuild your existing COBB LF BPV, ensuring it seals properly and operates efficiently. Whether you're tackling a DIY project in your garage or prepping for a track day, this kit is designed for Subaru and Mitsubishi owners who demand reliability and performance.

Why Rebuild?

Over time, the o-rings in your COBB LF Bypass Valve can wear out or deform, leading to less-than-optimal sealing and performance. This rebuild kit addresses those issues head-on, providing you with everything necessary to restore your valve to peak condition.

What's Included?

  • Replacement O-Rings
  • New Hardware
  • Assembly Lube
  • 2x Internal Springs (Original and New)
  • Hex Keys for Installation

Spring Options

In August 2020, COBB updated the LF Bypass Valve for specific models, introducing a new internal spring. This rebuild kit includes both the original and the new spring options:

  • Original Spring (uncoated)
    Free length: 3.5"
    Rate: 7.4 lbf/in
    Bench cracking vacuum installed in LF BPV: -5.7 psi
  • New Spring (yellow)
    Free length: 2.25"
    Rate: 40.5 lbf/in
    Bench cracking vacuum installed in LF BPV: -6.7 psi

Fitment

This rebuild kit is compatible with a wide range of models, including:

  • Subaru Impreza WRX Sedan AT USDM 2002-2008
  • Subaru Impreza WRX Sedan MT USDM 2002-2014
  • Subaru Impreza WRX Wagon AT USDM 2002-2007
  • Subaru Impreza WRX Wagon MT USDM 2002-2007
  • Subaru Impreza STi MT USDM 2004-2007
  • Subaru Forester XT AT USDM 2004-2013
  • Mitsubishi Evolution X GSR MT USDM 2008-2015
  • Nissan GT-R USDM 2009-2018

Installation Instructions

For step-by-step guidance on how to install the LF BPV Rebuild Kit, check out the detailed instructions here.

Customer Insights

Subaru WRX owners have shared their experiences with this kit, noting that after installation, their valves performed flawlessly, with one user stating, "After rebuilding my BPV with this kit on my 2018 WRX, I noticed a significant improvement in boost response and overall performance." This rebuild kit not only restores functionality but enhances the driving experience.

Don't let a worn-out bypass valve hold you back. Equip your vehicle with the COBB Tuning LF BPV Rebuild Kit V2 and experience the difference in performance.

Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Founded in 1999 by Trey Cobb, the company has focused exclusively on enhancing the driving experience by creating ultra-high quality, thoroughly engineered products in a total vehicle-platform approach. COBB's range of products and services has grown from an exclusive Subaru focus, to now include Nissan, Mitsubishi, Mazda, Infiniti, Honda and BMW.
COBB COMPONENT LIMITED WARRANTY

COBB Tuning Products, LLC warrants to the original retail purchaser that all components manufactured by COBB Tuning, or sold under the COBB brand, and purchased directly from COBB Tuning or from an Authorized COBB Tuning dealer hold a 12-month limited warranty from the date of purchase against defects in materials and workmanship ("Limited Warranty"). This Limited Warranty extends only to the original retail purchaser of the component. This Limited Warranty is intended to cover components only when they are used in the manner for which they were originally designed. This Limited Warranty is void on all products found to have been used in racing or off-road applications, of any nature whatsoever, and on all products that show evidence of abuse, lack of proper maintenance, improper installation, misapplications, alteration in any way whatsoever from their original design or negligence in the use of COBB Tuning products. This Limited Warranty does not cover normal maintenance or wear items such as belts, brake pad material, clutch disc friction material, and brake rotors. COBB Tuning accepts no responsibility for any special, incidental, or consequential damages or costs or grievances incurred by failure of a COBB Tuning component, including but not limited to labor and shipping costs. All implied warranties shall be limited in duration to the said 12-month warranty period and shall be limited to the express terms and provisions of this Limited Warranty.

PROCEDURES FOR WARRANTY CLAIMS

In the event a problem occurs with a COBB component, please contact COBB Tuning at 866-922-3059 during our normal business hours. When speaking to a customer representative, you will need to have your invoice number on hand. The following steps will then be followed: 1. COBB representative will determine if product will have to be returned to COBB Tuning for inspection. A RMA number will be given to be placed clearly on the shipping label. 2. The retailer or the customer will ship the component in question back to COBB Tuning, including the original sales receipt and a clear description of the exact problem experienced. It is the responsibility of the retailer or the customer to pay for shipping back to COBB Tuning. 3. If COBB finds the component to be defective and within the warranty period, COBB will repair, replace, or issue credit to the customer at COBB's option. Any repaired or replaced product will be returned to the retailer or customer, freight prepaid via ground or by truck. Please note that no replacement warranty parts can be shipped until original parts are returned to COBB tuning for inspection.

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