SKU: TS-0203-1221 | UPC: 9329677009682
Turbosmart BOV Kompact Plumb Back-20mm for 2002-2014 Subaru Impreza WRX STI
The Turbosmart BOV Kompact Plumb Back-20mm is a recirculating blow-off valve that replaces the OEM unit on 2002-2014 Subaru Impreza WRX and STI models. It vents boost pressure back into the intake to eliminate compressor surge and maintain consistent turbo performance during shifts. Crafted for reliability in daily driving and track conditions, this valve supports turbochargers up to 350hp with fast piston response.
Key Features
- Compact Design: Short body fits tight engine bays on Subaru WRX and STI without modification.
- Plumb Back Operation: Recirculates air silently into the intake pipe, ideal for street use and emissions compliance.
- 20mm Piston: Delivers quick actuation for small to medium turbos, ensuring sharp throttle response.
- Adjustable Spring: Multiple included springs allow tuning to specific boost levels from 5 to 26 psi.
- Billet Aluminum Body: CNC machined from 6061-T6 for corrosion resistance and long-term durability.
Product Notes
- Direct OEM replacement. verify intake pipe matches 20mm outlet.
- Use included O-rings and lubricant during assembly for airtight seal.
- Securely packaged to prevent shipping damage.
Installation Notes
- Professional installation recommended.
- Bolt-on fit using factory mounting holes and hose clamps.
- Compatible with stock turbo outlet flange on listed Subaru and Mitsubishi models.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2007 | Subaru | Impreza | WRX |
| 2004-2007 | Subaru | Impreza | WRX STI |
| 2004-2013 | Subaru | Forester | XT |
| 2005-2009 | Subaru | Legacy | GT |
| 2003-2005 | Mitsubishi | Lancer | Evolution VIII |
| 2006 | Mitsubishi | Lancer | Evolution IX |
Why Choose Turbosmart?
- Hand-crafted in Sydney Australia factory since 1997.
- Innovative design with strict quality control.
- Rigorous testing in research facility for proven performance.
Frequently Asked Questions
-
Q: Does it fit 2006 Subaru STI?
A: Yes, direct bolt-on for 2004-2007 Impreza WRX STI models using OEM flange. -
Q: What material and finish?
A: CNC machined billet 6061-T6 aluminum with black anodized finish for heat and corrosion resistance. -
Q: What warranty applies?
A: Lifetime warranty against manufacturing defects when installed and maintained correctly.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Custom foam-lined box 8 x 6 x 4 inches
- Weight: 0.9 lbs
Blow Off Valves
Blow off valves and boost release accessories for turbocharged and supercharged vehicles are stocked at Black Ops Auto Works. Shop GFB, Turbosmart, Granatelli, HKS, and GReddy blow off valves for Subaru WRX and STI, Mercedes AMG, GR Corolla and GR Yaris, Civic Type R, Ram Hurricane, Nissan S14 and S15, and GT-R platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 341 blow off valve SKUs across style and vehicle platform. What This Category Covers Blow off valves release excess boost pressure from the intake tract when the throttle closes, protecting the turbocharger and intercooler piping from pressure spikes that can otherwise cause compressor surge. This collection covers vent to atmosphere and hybrid recirculating blow off valves along with mounting hardware and replacement components. Categories Included Vent to atmosphere blow off valves, hybrid recirculating blow off...
View Blow Off Valves Products
Forced Induction
Forced induction is the fastest way to add real power to an engine without adding displacement, and this collection covers the full range of turbocharger, supercharger, intercooler, and boost control hardware needed to build a reliable boosted platform. Whether you are running a factory turbo upgrade, swapping to a bigger frame turbocharger, adding a centrifugal or roots style supercharger, or dialing in a nitrous system for a quick shot of extra power, you will find the components here to build and support the setup correctly. Every part in this collection is organized by system type so you can move from a stock turbocharger to a properly supported forced induction build in one place. Intercoolers, wastegates, blow off valves, boost controllers, and water meth injection components are all included alongside the core turbo and supercharger hardware so the entire boost system can be sourced together. What This Category Covers This collection includes turbochargers, turbo kits, s...
View Forced Induction Products
Turbosmart
Turbosmart forced induction accessories for turbocharged platforms are stocked at Black Ops Auto Works. Shop external and internal wastegates, blow off valves, electronic boost controllers, boost tee kits, and turbo plumbing hardware for Mercedes-Benz AMG, BMW, Jeep Wrangler JL 2.0T, Ram 1500 Hurricane 3.0L, Honda Civic Type R, and other turbocharged engines. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 628 Turbosmart SKUs across wastegates, blow off valves, boost control, and turbo hardware categories. What This Collection Covers Turbosmart designs boost control and turbo management hardware for any platform running forced induction, from factory turbocharged daily drivers to dedicated race builds. This collection brings together fitment verified wastegates, blow off valves, and boost controllers spanning modern factory turbo platforms like the Jeep Wrangler JL 2.0L Turbo an...
View Turbosmart Products


