Quote:
Originally Posted by Joe Bob
Cap one....the muffler should have a common chamber and the diverted gas should exit the remaining open port. If more needed, a baffle can be welded onto the end like a disc type SuperTrapp from a motorcycle.
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That's basically what I now have per above description, right? But the mechanic is saying the increased resultant back pressure will burn the exhaust valves by not letting enough hot fumes escape fast enough. True?