What does a blow off valve do?

A blow off valve, also known as a bypass valve, releases excess boost pressure from the intake system when you lift off the accelerator. This protects your turbocharger from damage caused by backpressure and can help improve throttle response.

How does the dual port design work?

The dual port design uses two sets of ports. One set operates under mild boost for quieter venting, while the second set opens up under higher boost levels to provide full venting performance. This offers a balance between quiet operation and effective boost release.

Does this blow off valve come with everything needed for installation?

This product is the Turbosmart BOV Dual Port Subaru-Blue unit. Refer to the manufacturer's installation instructions for a complete list of included components and any additional hardware or tools that may be required for proper installation.

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Specifications

Brand: Turbosmart
Part #: TS-0205-1015
UPC: 9329677008111

Turbosmart BOV Dual Port Subaru-Blue

Name: Turbosmart BOV Dual Port Subaru-Blue
Brand: Turbosmart
Price: 393.95 USD
Availability: InStock

$393.95

On Backorder — Expected to ship by Apr 9, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2002-2007 Subaru Impreza. Turbosmart Dual Port Blow Off Valve with sequential ports for quiet operation and full performance.

Key Features

Fits 2002-2007 Subaru Impreza, 2005-2007 Subaru Forester, 2015-2021 Subaru WRX, and 2015-2021 Subaru WRX STI.
Features sequential ports for quiet operation on mild boost and full performance at full boost.
Designed for easy installation and setup on compatible Subaru models.
Helps protect the turbocharger by releasing excess boost pressure.
Offers improved turbo response when the throttle is closed.
Subaru-blue finish.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

This Turbosmart Dual Port Blow Off Valve is designed to fit your 2002-2007 Subaru Impreza, as well as other select Subaru models. It's built to manage boost pressure from your turbocharger, releasing excess air when you lift off the throttle to protect your turbo and improve response. The key feature here is the dual-port design, which uses sequential ports to offer a balance between quiet operation under light boost and full venting performance when you're really pushing the engine.

Installation and setup are straightforward, making it a popular choice for Subaru owners looking to upgrade their forced induction system. The sequential porting means you get a more refined sound during daily driving or when you're not on full boost, but it still vents effectively when needed, helping to keep your turbo healthy and ready for action. This well-built unit is a solid option for those wanting improved turbocharger performance and a more controlled sound.