Hey guys I have some cracks in my muffler and needless to say especially when giving throttle it bubbles up at the cracks and leaks water into the boat. I got some bondo "professional glazing & spot putty" comes with a hardener. Can this be used on this muffler? I was going to fire it up on the hose and circle where the cracks were with a marker. Then dry it off good, sand it down and apply the filler, sand it down, then maybe do another layer. Should I then spray some kind of clear over it ? Or am I going about this all wrong? I really don't want to buy a new muffler but I cant have it leaking all over the transmission and getting more water in the boat then I need. Any other suggestions would be appreciated.
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