redexrider4290
02-26-2005, 12:06 PM
i have a 03 250ex i was going to get a fmf megamax muffler and was wandering if anyone knows any headers that could fit onto it that arent to exspensive. And if i get a megamax exhaust, k&n air filter and jet kits how much power will i gain and how many miles per hour will my top speed go up, also will i be able to keep up with a polaris sportsman 600 or 300ex any responses will be apreciated