SKU: TS-0203-1223 | UPC: 9329677009927
Turbosmart BOV Kompact Plumb Back-34mm for 2002-2021 Subaru WRX STI Evo 2001-2007
The Turbosmart BOV Kompact Plumb Back 34mm recirculates excess boost pressure back into the intake pipe for precise turbo control and no compressor surge. It fits 2002-2021 Subaru Impreza WRX and STI plus 2001-2007 Mitsubishi Lancer Evolution models with 34mm turbo outlets. This compact valve ensures reliable operation in tight engine bays while maintaining accurate MAF readings and consistent power delivery.
Key Features
- Plumb Back Design: Directs all vented air back to intake pipe to preserve mass airflow sensor accuracy and eliminate check engine lights
- 34mm Inlet Outlet: Matches common turbocharger sizes on WRX STI and Evo for seamless bolt-on installation and unrestricted flow
- Rolling Radial Face Seal: Piston seal eliminates O-ring wear for longer life and consistent sealing under high boost pressures
- Compact Body: Short 72mm height fits under stock hoods and in crowded engine compartments without modification
- Billet Aluminum Construction: CNC-machined anodized black finish resists corrosion and withstands extreme heat and pressure
Product Notes
- Requires 34mm ID silicone hose and clamps for secure plumbing
- Use included spring preload for factory boost levels adjustable for higher tunes
- Ships fully assembled ready for immediate use
Installation Notes
- Professional installation recommended.
- Mounts to existing factory or aftermarket bracket with provided hardware
- Compatible with OEM turbo piping on listed models verify hose diameter before install
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2007 | Subaru | Impreza | WRX |
| 2004-2021 | Subaru | Impreza | WRX STI |
| 2001-2002 | Mitsubishi | Lancer Evolution | VII |
| 2003-2005 | Mitsubishi | Lancer Evolution | VIII |
| 2006-2007 | Mitsubishi | Lancer Evolution | IX |
| 1995-2002 | Nissan | Silvia | S15 SR20DET |
| 1989-1998 | Nissan | Skyline | R32 R33 R34 RB Series |
Why Choose Turbosmart?
- Hand-crafted in Sydney Australia since 1997 for proven reliability in performance applications
- Innovative design with strict quality control and rigorous testing exceeds industry standards
- Extraordinary service and after-sales support backs every product
Frequently Asked Questions
- Q: Will this fit my 2006 STI with aftermarket intercooler?
A: Yes it bolts directly to factory bracket and adapts to 34mm piping common on STI setups - Q: What material is the valve body?
A: Precision CNC-machined from billet 6061-T6 aluminum with black anodized finish for durability - Q: What warranty coverage?
A: Lifetime warranty against manufacturing defects when installed and used as directed
Shipping & Handling
- Method: Standard ground UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Protective retail box 7.5 x 6.5 x 3.3 inches
- Weight: 1.1 pounds
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