tired of the flowmasters...........

67DARTGTCONV said
Dynomax Welded Ultra Flows

YEP!

The OP didn't say whether the exhaust was running out the back or at least past the axle. This plays a huge roll in drone especially if the system has been "dumped".

Here is what it supposed to sound like...

[ame="http://www.youtube.com/watch?v=VvIAJmV3RMg"]YouTube - ‪511 68 Dodge Dart‬&rlm;[/ame]