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@Welder guy Marlow is running Dynomax on his and is quite happy with them once he added resonators so that is my direction I think.

Good intel Grant thanks! It's for the 79 300 with dual exhaust. It has Flowmaster 40's on it now I think but it sounds like it is straight piped. I am thinking of the magnaflow street series version 19303 as stated above. I like @Big_John 's idea as well so I will have to check dimensions.

I am looking for suggestions for my 79 300 exhaust system to reduce the sound and vibration my current "Flow Through" system is causing. As many of you know my wife suffers from a debiltating nerve injury to her leg that reacts terribly to loud noises or vibration which has prevented her from...

I was afraid of that....2 broken exhaust manifold studs on the D/S of my 70....head will have to come off....someday

Well the part number on the box seems to be valid but changes up to 3837621

It appears to be a truck manifold from a 400 V8 IMO Feebay had pics

I would like to see that! Nice 300 Vert BTW :thumbsup:

You know that but the everyday Chebbie guy won't....especially if you go with some rumble