my 400,000 cents.. injen = laggy/slow + engine light (CEL) problem ces = never tried blitz = (what i've had since selling the injen) just awesome, sounds like boxer engine high gear low revs, havn't had any cel problems since installing it. up to you if u wanna fork out that kind of money for an intake. at the end of the day ur money ur car, f what others say. u do what u like cheers. tom