Go Fast Bits Respons TMS Blow Off Valve Kit — Fits 2002-2014 Subaru WRX STI

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SKU: GFBT9003
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Sale price$298.99 Regular price$356.50
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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

Experience Precision Boost Control with GFB Respons

The Go Fast Bits (GFB) Respons TMS Blow Off Valve Kit is engineered for enthusiasts who demand both performance and the iconic blow-off sound. Unlike standard atmosphere-venting valves that often cause backfiring or stalling due to incorrect air-fuel ratios, the Respons system features a fully adjustable venting bias. This allows you to fine-tune the valve to your engine's specific requirements, ensuring smooth operation without compromising performance.

Key Technical Advantages

  • TMS Technology: Patented Turbo Management System ensures rapid boost recovery during gear shifts for improved throttle response.
  • Adjustable Venting: Seamlessly transition between full recirculating and atmospheric venting to suit your driving style.
  • Extreme Durability: Capable of handling boost pressures exceeding 100psi, far surpassing the capabilities of any stock turbocharger.
  • Direct Fitment: Designed specifically for Subaru WRX and STI platforms to ensure a hassle-free installation process.

By utilizing the GFB Respons, you eliminate the common issues associated with aftermarket valves while gaining the ability to hold significantly more boost than the factory unit. Whether you are hitting the track or upgrading your daily driver, this kit provides the reliability and sound you need. Discover the difference in performance engineering at GGCRACING today.

Vehicle Fitment

Years Make Model Trim
2004-2005 Subaru Forester XT
2005 Subaru Forester XT Premium
2006-2008 Subaru Forester XT Limited
2008 Subaru Forester Sports 2.5 XT
2001 Subaru Impreza L
2001-2004 Subaru Impreza Outback
2002-2004 Subaru Impreza TS
2002-2007 Subaru Impreza WRX
2004-2014 Subaru Impreza WRX STI
2005 Subaru Impreza Outback Sport
2006-2007 Subaru Impreza WRX Limited
2007 Subaru Impreza WRX STI Limited
2010 Subaru Impreza WRX STI Special Edition
2011-2014 Subaru Impreza WRX STI Limited
2015 Subaru WRX STI Launch Edition
2015-2020 Subaru WRX STI Base
2015-2020 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA
2019 Subaru WRX STI S209

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

Experience Precision Boost Control with GFB Respons

The Go Fast Bits (GFB) Respons TMS Blow Off Valve Kit is engineered for enthusiasts who demand both performance and the iconic blow-off sound. Unlike standard atmosphere-venting valves that often cause backfiring or stalling due to incorrect air-fuel ratios, the Respons system features a fully adjustable venting bias. This allows you to fine-tune the valve to your engine's specific requirements, ensuring smooth operation without compromising performance.

Key Technical Advantages

  • TMS Technology: Patented Turbo Management System ensures rapid boost recovery during gear shifts for improved throttle response.
  • Adjustable Venting: Seamlessly transition between full recirculating and atmospheric venting to suit your driving style.
  • Extreme Durability: Capable of handling boost pressures exceeding 100psi, far surpassing the capabilities of any stock turbocharger.
  • Direct Fitment: Designed specifically for Subaru WRX and STI platforms to ensure a hassle-free installation process.

By utilizing the GFB Respons, you eliminate the common issues associated with aftermarket valves while gaining the ability to hold significantly more boost than the factory unit. Whether you are hitting the track or upgrading your daily driver, this kit provides the reliability and sound you need. Discover the difference in performance engineering at GGCRACING today.

Vehicle Fitment

Years Make Model Trim
2004-2005 Subaru Forester XT
2005 Subaru Forester XT Premium
2006-2008 Subaru Forester XT Limited
2008 Subaru Forester Sports 2.5 XT
2001 Subaru Impreza L
2001-2004 Subaru Impreza Outback
2002-2004 Subaru Impreza TS
2002-2007 Subaru Impreza WRX
2004-2014 Subaru Impreza WRX STI
2005 Subaru Impreza Outback Sport
2006-2007 Subaru Impreza WRX Limited
2007 Subaru Impreza WRX STI Limited
2010 Subaru Impreza WRX STI Special Edition
2011-2014 Subaru Impreza WRX STI Limited
2015 Subaru WRX STI Launch Edition
2015-2020 Subaru WRX STI Base
2015-2020 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA
2019 Subaru WRX STI S209

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

Experience Precision Boost Control with GFB Respons

The Go Fast Bits (GFB) Respons TMS Blow Off Valve Kit is engineered for enthusiasts who demand both performance and the iconic blow-off sound. Unlike standard atmosphere-venting valves that often cause backfiring or stalling due to incorrect air-fuel ratios, the Respons system features a fully adjustable venting bias. This allows you to fine-tune the valve to your engine's specific requirements, ensuring smooth operation without compromising performance.

Key Technical Advantages

  • TMS Technology: Patented Turbo Management System ensures rapid boost recovery during gear shifts for improved throttle response.
  • Adjustable Venting: Seamlessly transition between full recirculating and atmospheric venting to suit your driving style.
  • Extreme Durability: Capable of handling boost pressures exceeding 100psi, far surpassing the capabilities of any stock turbocharger.
  • Direct Fitment: Designed specifically for Subaru WRX and STI platforms to ensure a hassle-free installation process.

By utilizing the GFB Respons, you eliminate the common issues associated with aftermarket valves while gaining the ability to hold significantly more boost than the factory unit. Whether you are hitting the track or upgrading your daily driver, this kit provides the reliability and sound you need. Discover the difference in performance engineering at GGCRACING today.

Vehicle Fitment

Years Make Model Trim
2004-2005 Subaru Forester XT
2005 Subaru Forester XT Premium
2006-2008 Subaru Forester XT Limited
2008 Subaru Forester Sports 2.5 XT
2001 Subaru Impreza L
2001-2004 Subaru Impreza Outback
2002-2004 Subaru Impreza TS
2002-2007 Subaru Impreza WRX
2004-2014 Subaru Impreza WRX STI
2005 Subaru Impreza Outback Sport
2006-2007 Subaru Impreza WRX Limited
2007 Subaru Impreza WRX STI Limited
2010 Subaru Impreza WRX STI Special Edition
2011-2014 Subaru Impreza WRX STI Limited
2015 Subaru WRX STI Launch Edition
2015-2020 Subaru WRX STI Base
2015-2020 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA
2019 Subaru WRX STI S209

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