Does anybody have pictures of this? I know wht you mean, but do you guys weld a line all around the piping or just little beds here and there around the piping? Does anybody have a picture they can show me?

 

i assume your talking about at the ends of the pipes to keep from blowing them off?????i usually just weld in 3 spots around the pipe,just a small bead about an inch long and about an 1/8 inch in from the end of the pipe.try to build it up a high as possible,i usually go about an 1/8 inch to a 1/4,but it depends on how tight your silicone couplers are as far as how high to make them.