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GrimmSpeed Stock Downpipe to 3inch Exhaust Adapter - Subaru Models

GrimmSpeed Stock Downpipe to 3inch Exhaust Adapter - Subaru Models

GrimmSpeed

Regular price $60.00 USD
Regular price $60.00 USD Sale price $60.00 USD
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PRODUCT DETAILS
GrimmSpeed Stock Downpipe to 3inch Exhaust Adapter - Subaru Models
GrimmSpeed OEM Downpipe to 3in Cat Back Adapter Subaru Turbo Models

This is the Grimmspeed OEM Downpipe To 3-Inch Cat-Back Adapter. This adapter is very popular for those of you who are retaining the stock downpipe and need to eliminate any exhaust leaks associated with the addition of an aftermarket 3" cat-back exhaust system. This adapter will allow you to retain your stock donut gasket to make for a great solution to eliminate the exhaust leak where the stock downpipe and your aftermarket 3-inch cat-back exhaust system will meet. 

 

DETAILS:

  • CNC machined from mild steel 
  • Zinc-coated for durability and longevity
  • Flanged for the OEM donut gasket
  • Machined lip centers 2-bolt gasket
  • Simple bolt-on installation
  • Includes GrimmSpeed's 3" 2X Thick Gasket

 

RallySport Direct proudly carries a great selection of quality upgrades and accessories brought to you by GrimmSpeed. 

WHY WE CARRY THIS

We only list parts we’d run ourselves or recommend to a friend building a real car. If it feels vague, unverified, or inconsistent, it doesn’t make the cut.

  • Fitment-first mindset — no “universal” roulette
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WHAT TO EXPECT

This is the clean path: correct fitment, clean install, and results that match the intent.

  • Install-ready experience with correct mounting where provided
  • Finish that holds up to real driving, not just photos
  • Selections on this page drive the exact fitment shipped

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Anyone can list parts. We curate what belongs on a serious build. Our goal is simple: fewer surprises, cleaner installs, and confidence when you hit “Buy.”

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We prioritize vehicle-specific listings and clear selection logic so you’re not gambling on compatibility.

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Proven manufacturing and consistent quality matter more than hype. We bias toward what actually holds up.

Real support

If you have a question, you’ll get a human answer that helps you finish the build — not a copy-paste shrug.

GrimmSpeed OEM Downpipe to 3in Cat Back Adapter Subaru Turbo Models

This is the Grimmspeed OEM Downpipe To 3-Inch Cat-Back Adapter. This adapter is very popular for those of you who are retaining the stock downpipe and need to eliminate any exhaust leaks associated with the addition of an aftermarket 3" cat-back exhaust system. This adapter will allow you to retain your stock donut gasket to make for a great solution to eliminate the exhaust leak where the stock downpipe and your aftermarket 3-inch cat-back exhaust system will meet. 

 

DETAILS:

  • CNC machined from mild steel 
  • Zinc-coated for durability and longevity
  • Flanged for the OEM donut gasket
  • Machined lip centers 2-bolt gasket
  • Simple bolt-on installation
  • Includes GrimmSpeed's 3" 2X Thick Gasket

 

RallySport Direct proudly carries a great selection of quality upgrades and accessories brought to you by GrimmSpeed. 

View full details