does anyone run 1 of these . when i went to my local parts store to see if they can order 1 they dont make a model for the gtp but i see them on zzp and 3800 performances websites . i am really sort of stuck on which way to go because i would like to get the most horsepower out of my money and i will probably gut my stock air box and put a aem dryflow filter in it first then move on to a air intake system when i have the money for it . what do you guy recommend ? will there be a big or little difference from a gutted air box to a intake system ??