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Old 09-22-2016, 06:16 AM   #15
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Holiday Rambler Owners Club
Join Date: Apr 2016
Posts: 596
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 $$
2002 Holiday Rambler Imperial 40PKD
with Residential refrigerator conversion
2014 Jeep Wrangler in tow, M&G brake system
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Old 09-22-2016, 10:26 AM   #16
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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.

Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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converter, cat

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