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Ultra Flows 19x4.5 , offset outlets on a 70 Dart Any pics would be nice !!!
Yours should use offset center. You can easily fit 20"long mufflers if you flange the tailpipes and mufflers.
Tom knows more about mufflers than any hundred hotrodders I know. Take his advice.
That and he is an awesome dude! Oh! Let’s not forget he knows a thing or two about transmissions with that really super helpful book he has out. (Hey Tom! Thanks for the help!)