this post was submitted on 03 Aug 2025
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Those of you with decent mileage on high flow aftermarket cats, how are they holding up? (old.reddit.com)
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The original was posted on /r/cars by /u/Knotical_MK6 on 2025-08-03 10:22:54+00:00.

I've put about 40k miles on my 300 cell G-sport cat and it's really smelling like it's not doing much anymore. Anyone having different results?

I've got it mounted in the stock location running a safe tune and pump gas. No burbles/pops or anything I'd expect to kill it early. Not posting to make a dig at the manufacturer, just curious.

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