I'm pretty sure it was Tigershark that mentioned he had the same problem with the headpipe bending from the heat on his 500. I'm not sure if he found a cure or if his jet kit did infact make the engine run cool enough to not warp the pipe. You can try sending him a PM if he doesnt give a reply to this topic.
My 05 500 did it twice. I installed a dyno jet kit which has a noticeably slimmer needle and so far, so good. My header pipe bent inwards and touched the carb, boiling the gas.
It has a modded/drilled out stock muffler and (2) 1and 1/4 inch flexible snorkles that are routed behind the grille for more fresh air to the air box. It's quite a bit faster than stock. I used larger stock main jets and and shims under the stock needle .030 It still wasnt enough to keep if from bending. Hopefully its fixed but I'm keeping my eyes on it this time..........tigger
:thumbsup: Thanks for Quick Answer
I have the third pipe on now and i have removed the metal covering on the bend for more cooling.
The problem here in europe is we have to use a remus muffler with Katalyser which take a lot of Bhp.
I will ask my dealer about new jets.