GrimmSpeed Stock Downpipe to 3inch Exhaust Adapter - Subaru Models
GrimmSpeed Stock Downpipe to 3inch Exhaust Adapter - Subaru Models
GrimmSpeed
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PRODUCT DETAILS ▾
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.
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WHAT TO EXPECT ▾
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- Install-ready experience with correct mounting where provided
- Finish that holds up to real driving, not just photos
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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.
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.
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