Go Fast Bits HYBRID TMS Dual Port Blow Off Valve — Fits 2004-2005 Subaru Forester XT

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SKU: GFBT9200
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Go Fast Bits

Go Fast Bits engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Go Fast Bits lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

The Best of Both Worlds: GFB HYBRID TMS

The Go Fast Bits (GFB) HYBRID TMS Dual Port Blow Off Valve is the original dual-venting solution that changed the industry. Designed specifically for the 2004-2005 Subaru Forester XT, this valve offers the perfect balance between performance and sound, allowing you to enjoy the benefits of both recirculating and atmospheric venting.

Why the Hybrid Design Wins

  • Staged Venting: At low throttle, the valve recirculates air to keep your ECU happy and prevent stalling. At high throttle, it opens further to vent to the atmosphere, providing that signature performance sound.
  • TMS Technology: Ensures rapid boost recovery, keeping your turbo spooled and ready for the next gear.
  • Precision Tuning: Allows you to customize the venting ratio to suit your specific engine setup and driving style.
  • Direct Fitment: Engineered specifically for the Forester XT for a straightforward installation process.

The GFB Hybrid valve is the ultimate choice for Subaru owners who want the performance of a recirculating valve with the audible feedback of an atmospheric blow-off valve. Its dual-port design ensures that your engine runs smoothly under all driving conditions while giving you that satisfying sound when you push your Forester XT to the limit. For high-quality performance parts and expert service, trust the team at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Subaru Forester XT

Product Details

Product Description
Part Numbers
Sizing & Fit

About Go Fast Bits

Go Fast Bits engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Go Fast Bits lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

The Best of Both Worlds: GFB HYBRID TMS

The Go Fast Bits (GFB) HYBRID TMS Dual Port Blow Off Valve is the original dual-venting solution that changed the industry. Designed specifically for the 2004-2005 Subaru Forester XT, this valve offers the perfect balance between performance and sound, allowing you to enjoy the benefits of both recirculating and atmospheric venting.

Why the Hybrid Design Wins

  • Staged Venting: At low throttle, the valve recirculates air to keep your ECU happy and prevent stalling. At high throttle, it opens further to vent to the atmosphere, providing that signature performance sound.
  • TMS Technology: Ensures rapid boost recovery, keeping your turbo spooled and ready for the next gear.
  • Precision Tuning: Allows you to customize the venting ratio to suit your specific engine setup and driving style.
  • Direct Fitment: Engineered specifically for the Forester XT for a straightforward installation process.

The GFB Hybrid valve is the ultimate choice for Subaru owners who want the performance of a recirculating valve with the audible feedback of an atmospheric blow-off valve. Its dual-port design ensures that your engine runs smoothly under all driving conditions while giving you that satisfying sound when you push your Forester XT to the limit. For high-quality performance parts and expert service, trust the team at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Subaru Forester XT

Product Details

Product Description

About Go Fast Bits

Go Fast Bits engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Go Fast Bits lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

The Best of Both Worlds: GFB HYBRID TMS

The Go Fast Bits (GFB) HYBRID TMS Dual Port Blow Off Valve is the original dual-venting solution that changed the industry. Designed specifically for the 2004-2005 Subaru Forester XT, this valve offers the perfect balance between performance and sound, allowing you to enjoy the benefits of both recirculating and atmospheric venting.

Why the Hybrid Design Wins

  • Staged Venting: At low throttle, the valve recirculates air to keep your ECU happy and prevent stalling. At high throttle, it opens further to vent to the atmosphere, providing that signature performance sound.
  • TMS Technology: Ensures rapid boost recovery, keeping your turbo spooled and ready for the next gear.
  • Precision Tuning: Allows you to customize the venting ratio to suit your specific engine setup and driving style.
  • Direct Fitment: Engineered specifically for the Forester XT for a straightforward installation process.

The GFB Hybrid valve is the ultimate choice for Subaru owners who want the performance of a recirculating valve with the audible feedback of an atmospheric blow-off valve. Its dual-port design ensures that your engine runs smoothly under all driving conditions while giving you that satisfying sound when you push your Forester XT to the limit. For high-quality performance parts and expert service, trust the team at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Subaru Forester XT

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