jaylw314 Posted October 2, 2019 Author Report Share Posted October 2, 2019 10 hours ago, carusoam said: pseudo summary.... 1) AWI aerospace welding inc... 2) Knisely... 3) Dawley... 4) PowerFlow... OH of muffler systems... often comes completely rebuilt with nothing left of the old system... a technicality that seems to work... Thinning of tubes that far from the exhaust valve is a strong sign that things upstream have some high heat experience as well... This is why inspection of the flame tubes and inner surface of the muffler is so important.... Check on the health of the flame tubes to see they are still there.... in their original shape.... Got a CO monitor with all that? Best regards, -a- I do have a CO monitor. The shop said the muffler still looked serviceable, but they recommended and I still wanted to swap it out since they thought the outside looked sketchy. AFAIK, a "repair" only requires one tiny piece of the original piece to be included. I don't think there's actually a defined "overhaul" for exhaust sections? 1 Quote Link to comment Share on other sites More sharing options...
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