SKU: B715665 | UPC: 700424677238
Cobb Universal LF BPV Bypass Valve for Subaru WRX STI 2002-2021, WRX 2002-2014 & More
The Cobb Universal LF BPV is a durable bypass valve for turbocharged Subaru models like WRX and STI from 2002-2021. It vents excess boost pressure rapidly to protect the turbo from surge and sharpen throttle response during shifts. This universal design bolts to 3-inch intake piping on compatible vehicles for reliable high-boost operation.
Key Features
- Large Frame Piston Design: Seals with O-rings for leak-free performance up to 43 PSI boost, far exceeding stock limits.
- Billet 6061-T6 Aluminum Body: CNC-machined for strength and corrosion resistance in demanding conditions.
- Direct OEM Mounting: Uses factory locations and flanges for simple bolt-on installation without fabrication.
- High-Flow Venting: Releases pressure instantly for faster turbo spool and consistent power delivery.
- Universal Compatibility: Works with Cobb SF Intakes or 3-inch turbo piping on Subaru applications.
Product Notes
- Pair with Cobb SF Intake for optimal fit and performance gains.
- Clean components regularly to maintain sealing surfaces.
- Ships via ground service fragile contents protected.
Installation Notes
- Professional installation recommended.
- Torque piston retaining ring to 10-12 in-lbs check O-ring lubrication.
- Compatible with stock turbo outlets and 3-inch aluminum piping.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2007 | Subaru | Impreza | WRX |
| 2008-2014 | Subaru | Impreza | WRX |
| 2004-2021 | Subaru | WRX | STI |
| 2004-2013 | Subaru | Forester | XT |
| 2005-2009 | Subaru | Legacy | GT |
| 2005-2009 | Subaru | Outback | XT |
Why Choose Cobb?
- Subaru-specific engineering from decades of motorsport development.
- Boost-tested on dynos for real-world durability.
- Precision tolerances ensure consistent operation under load.
Frequently Asked Questions
-
Q: Will this fit my 2015+ STI with stock intake?
A: Designed for 3-inch Cobb SF Intake or equivalent piping adapter may be needed for stock setups. -
Q: What material is the body made from?
A: Hard-anodized 6061-T6 billet aluminum with stainless steel springs for long-term reliability. -
Q: What is the warranty coverage?
A: Limited lifetime warranty against defects when installed correctly contact Cobb for claims.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective foam-lined box, 6 x 5 x 4 inches
- Weight: 1.1 lbs
COBB
COBB Tuning parts for turbocharged performance platforms are stocked at Black Ops Auto Works. Shop the Accessport ECU programmer, cold air intakes, cat back exhaust systems, and supporting hardware engineered for Subaru WRX and STI, Ford Focus ST and RS, Ford F-150 EcoBoost, Mazdaspeed3 and 6, Nissan GT-R, Porsche, BMW, and Volkswagen platforms. Every product is filterable by year, make, model, and trim so the correct part ships the first time. Black Ops Auto Works carries 372 COBB SKUs across tuning, intake, and exhaust categories. What This Brand Covers COBB Tuning built its reputation on the Accessport, one of the most widely used ECU flash tools in the aftermarket, and has expanded into intakes, exhausts, downpipes, and supporting hardware for a range of turbocharged platforms. The catalog centers on a defined group of import and Euro performance vehicles rather than a single brand family. Brand Focus COBB Tuning parts are engineered primarily for Subaru, Ford, Mazda, Nissan...
View COBB Products


