Are you looking for authentic or serviceable?
Hi Rob
My question is are you looking for authentic NOS or are you looking for something that looks the same and will work?
Reason for asking is that most of the guys down here that have CCKWs and Chevy military trucks have gone over to standard off the shelf mufflers for a couple of reasons the authentic mufflers (particularly for WWII) are restrictive and seem to have more problems with manifold gasket failure because of back pressure. Also the modern mufflers often come with lifetime warranties and being aluminum-ized thus they don't seem to rust out.
So now to the next question does anybody in our little group have an original M135 muffler who would measure it? Inlet, outlet size, length, diameter, and configuration of the inlet and outlets then we can try and look up a commercial equivalent.
Cheers Phil
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