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 Performance Parts deliver proven power gains with factory-like drivability backed by an "Engineered Performance" approach trusted by enthusiasts, pro tuners, and performance shops worldwide. Founded in 1999 and now headquartered in Austin, Texas, COBB designs, engineers, tests, and supports its products in-house to ensure reliable results across today's most popular performance platforms. Shop the full lineup of COBB Tuning performance parts at Black Ops Auto Works, including ECU tuning solutions, bolt-on upgrades, and staged power packages built to work together for predictable, repeatable performance. COBB ECU Tuning & Accessport The COBB Accessport is one of the most trusted ECU tuning devices in the industry. It enables safe ECU flashing, live data monitoring, diagnostics (read/clear codes), and tuning management helping drivers unlock stronger throttle response, improved drivability, and dependable horsepower and torque gains when paired with the right supportin...
View COBB Products


