performance mods is all depending on what you want to do with it, ie stunt, drag race, road race, or the most common POSE. i'm more into dragin so my 04 1k is getting a 3-9" extended swing arm, air shifter, shift light, NX kit, adjustable lowering links, lowering strap, shinko tires, full gen 3 street system, PC3USB, a paint job, differnt undertail, flush mount signals, and mirror block off plates, the nice thing is if i want the wheelie and shit i just adjust the swing arm, down to 3" over and have fun cant wait to get it done, and damn nice hole in your leg :thumbup: