I have an 05 gtp and im thinking about dropping to a 3.6 pulley. i will be getting an intake a zzp 3" downpipe wiht high flow cat, 180* tstat, ngk 1 degree colder plugs, and an intense racing tune. what pulley should i get to where i dont have to rent a tool to put it on or take it off??? also would like to know what brand of pulley is better? and will i need a new belt?