if done corectly it may work but the problem is that the heat soak u get when just siting there just makes your inlet pipe hot so it just make s the cai useless.
bu t u mite find a midrange increase on a dyno but prob wont be enuff to feal it.
on the gen3 cars u do get a noticable gain bu puting on cai's, having fited then dynoes a couple ive noticed about 5-10 rwkw gains but yea not much considering the cost.
also out ouf interst on 1 of the customer cars we tryed a k@N pod kit, and the car lost power/torque down low but gained 5 kw up high over the over the ss inductions 1. but it pulled great up high in the revs.
it fealt shit to drive and just wasnt as grunty down low.
this was on a rebuilt motor with extractors, upgraded maf, maf pipe,great exhaust,biger tb,cleaned up heads,valvesprings,ect.
nothing major. but a great test car.