I am going to be putting on my cat back this weekend. I don't plan on getting it welded up for awhile so is there any sort of sealent for the connections? Any other ideas to help prevent leaks?

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-='89 Iroc-Z=-
-= 350 TPI =-

 

Exhaust tape, but you really should get it welded. If it's already together and all they have to do is zing a line around the pipe, I can't imagine them charging more than 20 bucks to do it...