If youíre talking about the rigid pipe, mine is out being sand blasted and powder coated. It had to come out to replace the radiator, so it made sense. The shop here is charging $150 to sandblast and put black high-temp powder coating on.
Hope that helps.
Tommy, Tiffany and Trace (along with the 4-legged children: Lexus and Chance)
2005 Alpine Coach 40FDTS