that stainless s flex is pricey as are the clamps save your$$$$ and get a good exhaust you can get em for 300-500 on ebay. better yet buy it from one of our vendors/sponsors here1040 WreckerMan said:Why can't you use flex-pipe? EVERY class 6-7-8 truck has flex pipe in the exhaust system.
Would I use long sections of it to replace a muff, etc. in a system, NO. But good flex pipe works just fine.
I'd get a piece of stainless and use stainless band-clamps to install it.
I think the dp is 3"...ryan said:Not sure about the obs trucks, but my superduty was easy to install the down pipe. Just had to snake it up there. I have heard that you must notch out the firewall on the obs trucks depending on the size of the downpipe.