Turbo XS Subaru WRX/STi 3in Downpipe to OEM Cat-Back Adapter (Standard Gasket)

SKU: TXSADA-3DP-OEMCB
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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 Turbo XS

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

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Turbo XS 3" Downpipe to OEM Cat-Back Adapter for Subaru WRX/STi

Upgrade your Subaru WRX or STi's exhaust system with the Turbo XS 3-inch Downpipe to OEM Cat-Back Adapter. This adapter is expertly designed to bridge the gap between a 3-inch aftermarket downpipe and the 2.5-inch donut-style flange found on your factory cat-back exhaust system. Ensure a leak-free connection and optimal exhaust flow for your performance modifications.

Product Highlights:

  • Seamless Integration: Perfectly mates a 3-inch downpipe to a 2.5-inch OEM cat-back exhaust.
  • Durable Construction: Crafted from high-quality materials for long-lasting performance and resistance to exhaust heat and corrosion.
  • Standard Gasket Included: Comes with a reliable standard exhaust gasket to ensure a tight seal.
  • Vehicle Compatibility: Fits a wide range of Subaru WRX, STi, Forester XT, Legacy GT, and Outback XT models from 2002 to 2021, including popular trims like WRX, STi Base, Limited, Launch Edition, Series.HyperBlue, and Type RA.
  • Improved Performance: Facilitates efficient exhaust gas transfer, potentially enhancing engine performance and sound.

This Turbo XS adapter is an essential component for WRX and STi owners looking to install an aftermarket downpipe without replacing their entire cat-back system. It offers a cost-effective and reliable solution for achieving your desired exhaust setup. Trust Turbo XS for quality exhaust components that deliver performance and durability. Find this and other performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Subaru Forester XT
2009 Subaru Forester XT
2002-2014 Subaru Impreza WRX
2005-2006 Subaru Legacy GT
2005-2006 Subaru Outback XT
2015 Subaru WRX STI Launch Edition
2015-2021 Subaru WRX STI Base
2015-2021 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA

Product Details

Product Description
Part Numbers
Sizing & Fit

About Turbo XS

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

Watch in action

Turbo XS 3" Downpipe to OEM Cat-Back Adapter for Subaru WRX/STi

Upgrade your Subaru WRX or STi's exhaust system with the Turbo XS 3-inch Downpipe to OEM Cat-Back Adapter. This adapter is expertly designed to bridge the gap between a 3-inch aftermarket downpipe and the 2.5-inch donut-style flange found on your factory cat-back exhaust system. Ensure a leak-free connection and optimal exhaust flow for your performance modifications.

Product Highlights:

  • Seamless Integration: Perfectly mates a 3-inch downpipe to a 2.5-inch OEM cat-back exhaust.
  • Durable Construction: Crafted from high-quality materials for long-lasting performance and resistance to exhaust heat and corrosion.
  • Standard Gasket Included: Comes with a reliable standard exhaust gasket to ensure a tight seal.
  • Vehicle Compatibility: Fits a wide range of Subaru WRX, STi, Forester XT, Legacy GT, and Outback XT models from 2002 to 2021, including popular trims like WRX, STi Base, Limited, Launch Edition, Series.HyperBlue, and Type RA.
  • Improved Performance: Facilitates efficient exhaust gas transfer, potentially enhancing engine performance and sound.

This Turbo XS adapter is an essential component for WRX and STi owners looking to install an aftermarket downpipe without replacing their entire cat-back system. It offers a cost-effective and reliable solution for achieving your desired exhaust setup. Trust Turbo XS for quality exhaust components that deliver performance and durability. Find this and other performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Subaru Forester XT
2009 Subaru Forester XT
2002-2014 Subaru Impreza WRX
2005-2006 Subaru Legacy GT
2005-2006 Subaru Outback XT
2015 Subaru WRX STI Launch Edition
2015-2021 Subaru WRX STI Base
2015-2021 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA

Product Details

Product Description

About Turbo XS

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

Watch in action

Turbo XS 3" Downpipe to OEM Cat-Back Adapter for Subaru WRX/STi

Upgrade your Subaru WRX or STi's exhaust system with the Turbo XS 3-inch Downpipe to OEM Cat-Back Adapter. This adapter is expertly designed to bridge the gap between a 3-inch aftermarket downpipe and the 2.5-inch donut-style flange found on your factory cat-back exhaust system. Ensure a leak-free connection and optimal exhaust flow for your performance modifications.

Product Highlights:

  • Seamless Integration: Perfectly mates a 3-inch downpipe to a 2.5-inch OEM cat-back exhaust.
  • Durable Construction: Crafted from high-quality materials for long-lasting performance and resistance to exhaust heat and corrosion.
  • Standard Gasket Included: Comes with a reliable standard exhaust gasket to ensure a tight seal.
  • Vehicle Compatibility: Fits a wide range of Subaru WRX, STi, Forester XT, Legacy GT, and Outback XT models from 2002 to 2021, including popular trims like WRX, STi Base, Limited, Launch Edition, Series.HyperBlue, and Type RA.
  • Improved Performance: Facilitates efficient exhaust gas transfer, potentially enhancing engine performance and sound.

This Turbo XS adapter is an essential component for WRX and STi owners looking to install an aftermarket downpipe without replacing their entire cat-back system. It offers a cost-effective and reliable solution for achieving your desired exhaust setup. Trust Turbo XS for quality exhaust components that deliver performance and durability. Find this and other performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Subaru Forester XT
2009 Subaru Forester XT
2002-2014 Subaru Impreza WRX
2005-2006 Subaru Legacy GT
2005-2006 Subaru Outback XT
2015 Subaru WRX STI Launch Edition
2015-2021 Subaru WRX STI Base
2015-2021 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA

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