dude stop ****ing around and go SPEED DENSITY! its available for your car year SO USE IT. im still waiting for them to figure out 2.0 SD on cobb. that stupid fender intake setup sucks, ESPECIALLY if you have weather. I have played with maf and turbo spacing forever. the basic theory is AS FAR AWAY AS YOU CAN GET FROM EACH OTHER. if that sounds stupid then go speed density, and do yourself a favor.