could i just get a 3.1" pulley and one step colder plugs or would i have problems?

as of now, i have an injen intake. and im getting CIA headers & DP w/o cat. and a wotbox.

would this be a safe set up or would i blow up? lemme know asap!

 

smaller pulley=more air @ WOT
more air=lean
lean = hot
hot = knock
knock = boom

Injectors, belt and tune may be required.....

 

Buy injectors before you pulley down..