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GrimmSpeed 3in Downpipe to Stock Cat-Back Adapter

SKU 077044
Original price $57.00 - Original price $57.00
Original price
$57.00 - $57.00
Current price $57.00

Exhaust leaks seem to be an all-too-common issue with most modded Subaru’s. They tend to spring up out of nowhere and cause hours of troubleshooting headaches. The most guaranteed leak you will get though is if you run an aftermarket 3" downpipe to an OEM or OEM like 2.5" Exhaust.

Cut from steel and hand welded these pieces were born tough. With the ability to work with both flat style gaskets AND donut gaskets they cannot be matched. If that wasn't enough they flared out one end to just shy of 3" so that unlike other adapters, this one will not block flow!

Customer Reviews

Based on 8 reviews
James B.
Perfect fit.

Works absolutely great, the fit is awesome and the sturdy durability is a huge plus.


Thank you for your5 Star Review of the GrimmSpeed 3-inch Downpipe to Stock Cat-Back Adapter. We are thrilled to hear that it provided a perfect fit and demonstrated sturdy durability, making it an excellent addition to your setup. Thank you for choosing Subimods!


Harrison Graham
Works perfectly

Ensures leak free exhaust and very heavy duty, durable material. Could likely be reused if need be.


We appreciate your 5 Star Review of the GrimmSpeed 3in Downpipe to Stock Cat-Back Adapter! It is the perfect piece when adding a catback exhaust! It absolutely can be reused as well! Enjoy!


Works well

I put this between my invidia catless downpipe attached to my tomei catback. Fit very well and solved my exhaust leak problem.


It's great to hear the GrimmSpeed 3in Downpipe to Stock Cat-Back adapter solved your exhaust leak even when used not as intended! We appreciate your 5 Star Review!


braudytt reyes

Nice parts


Thank you for your 5 Star Review of the GrimmSpeed 3in Downpipe to Stock Catback Adapter!


Works exactly how you need it to

Works perfectly as designed, no leaks and no headaches fitting the GrimmSpeed V2 J pipe to my OEM catback. I can't speak for the longevity since I only used it for a month however I imagine it is just like any GrimmSpeed product. Even for a very simple piece the quality was still noticeable. A must have for fitting an aftermarket J pipe to OEM catback


Thank you for the 5 Star Review! The GrimmSpeed 3in Downpipe to Stock Cat-Back Adapter is ideal for installing a downpipe without having to also replace your catback! It allows you to use the OEM donut gasket and the flat style gasket for the downpipe side!


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