[olddog]

Oh yea one more piece of advice. Many manufacturers will sell you a set of headers and side pipes that slip together. I have heard a few on this site say they sealed them with high temp RTV and never had a problem. Some others said they have to redo it every few years. I expect it has to do with how tight or loose the slip fit is. Mine must have been fairly loose. The RTV helped but never totally seal it up for any meaningful length of time. It leaked enough exhaust fumes you could smell it on your clothes after a ride. I had flanges made and welded them onto the pipes. I recommend you do that before you have the pipes jet hot coated.

I wouldn't put a slip fit system on. It would have been much easier to weld the flanges on during the build, while everything is still bare steel.