i have a 2001 ds650 with a hmf pipe, its dynojetted, got the big gun rev box, k&n airfilter, 22" mudlites in the back and razors in the front. this thing with really cook right along as it is, but i was wondering what else can i do for some good performance mods, i dont want to get into turbos or anything, dont have those types of coins. lol... help me out here.
thanks