ORIGINAL: JohnBuckner
More Rocket Science:
A slight bead formed around the outlet tube with JB weld (not much more than a bump) just behind where the zip ties go. Works well even if you have a fit too loose on the outlet pipe.
John
I second the bead of JB Weld. I do this to all my mufflers and never lose an exhaust extension...EVER!!!!!
Cheers
Curt