The clamps are not very good, IMHO. Pull both exhausts off put a nice amout of RED RTV Sealant on the inside on the exhaust pipe. Reassamble and tighten the clamp all the way.
Let sit overnight to allow the sealant to do it's thing. Bingo your done.

It's not speeding till you get pulled over.
https://www.youtube.com/watch?v=Bqa1s4jhkQ8