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What Happens During a Full Exhaust Check: from muffler to catalytic converter — what do mechanics inspect and why?
So I finally took my car in for a full exhaust check yesterday because it started making this weird rattling noise every time I accelerated. The mechanic mentioned something about looking “from the muffler all the way to the catalytic converter,” but honestly I didn’t fully catch everything he listed — I was too stressed thinking it would cost me a fortune. 😅 Has anyone here gone through a full inspection like that? What exactly do they look at and why do they check so many parts?
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Yeah, I’ve been through a couple of those checks, mostly because my old Honda kept throwing exhaust-related codes. During a full inspection they usually trace the whole system — checking for leaks, loose hangers, clogged parts, heat-shield issues, and whether the catalytic converter is still doing its job. Last time, they found a tiny crack near a joint that I never would’ve noticed on my own. If you want a clearer breakdown, I once looked it up on a shop’s page and the Loud muffler https://www.vip-servicecenter.com/services/exhaust-services had a decent rundown of what mechanics actually inspect. Turned out the process is more thorough than I expected.