I use HP header wrap, then once it fades I spray it with vht flame proof spray paint. I haven't had any problems with it breaking or getting brittle yet(knock on wood). The first time I used it I had probably 20-30 hours on it and it held up great. I just rebuilt the engine and have about 5 hours on the new stuff, hopefully I can get a good year out of it. I still have half a roll of it left just in case I jinxed myself.Hey Black and Yeller did you use a paste/spray with your exhaust wrap? I used Moose Racing's wrap and it didn't recommend or come with a spray (nor did I know about the spray at the time) and it got brittle and broke off in sections after about 3 rides. I got 50' of it so I used all 50 feet and now I'm running a bare pipe and my Tech 3's are my new heat shield.
What brand are you running for wrap?