There have been covers heat, shields installed on the Ulysses in an effort to tame the heat. Does any of these work or does it hinder. Here are two pictures. one with and one without.
Go to special ops site they have the best heat blankets. Plus adding more fuel to the air/fuel mix with something like ecmspy will cool it down. The factory sets them too lean to help meet epa pollution specs. Adding just a little more fuel helps them run cooler and smoother.