mfg Posted April 14, 2018 Report Share Posted April 14, 2018 Concerning Studebaker Avanti glasspack mufflers, Studebaker claimed..."they made far less back pressure and had longer life".......True? Link to comment Share on other sites More sharing options...
Ron Dame Posted April 15, 2018 Report Share Posted April 15, 2018 Once you blasted out the fiberglass, I think so!. Link to comment Share on other sites More sharing options...
Gunslinger Posted April 15, 2018 Report Share Posted April 15, 2018 Less back pressure certainly...longer life? Considering the mild steel used in exhaust systems back then I doubt if they lasted any longer. If true it sounds like advertising hyperbole. Link to comment Share on other sites More sharing options...
mfg Posted April 16, 2018 Author Report Share Posted April 16, 2018 On 4/15/2018 at 2:37 PM, Ron Dame said: Once you blasted out the fiberglass, I think so!. Agreed! Link to comment Share on other sites More sharing options...
mfg Posted April 16, 2018 Author Report Share Posted April 16, 2018 23 hours ago, Gunslinger said: Less back pressure certainly...longer life? Considering the mild steel used in exhaust systems back then I doubt if they lasted any longer. If true it sounds like advertising hyperbole. Hyperbole?...Yes, no doubt!....And this question is indeed TRUE! Link to comment Share on other sites More sharing options...
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