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-   -   Catalytic converters? (

jleamo1 09-22-2016 06:16 AM

billsimi, the muffler replacement is due to the pieces of the catalytic convertor that have become trapped inside it. You will never get them out and they could be causing a restriction, if not now later is a possibility. What year is your coaches chassis? I believe with both items you can locate them aftermarket and save a few $$

BFlinn181 09-22-2016 10:26 AM

If you doubt the muffler needs replacement, remove it and tap it on the ground, inlet pipe down. Also you could use an air gun to blow it out from back to front. Anything larger than soot or rust flakes are an indication that there's disintegrated converter parts in there. You won't get them all out by shaking and rattling it, replacement will be cheaper than running an RV with a restricted exhaust.

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