Quote:
Originally Posted by jacobzking
no build thread, it would be too similar to yours, lol. here's the thing with intakes... if an aftermarket intake is LARGER at the MAF mounting point, the car will NOT run correctly because it changes the velocity of air going through the MAF which causes it to read incorrectly which is the worst thing you can do. the only way to avoid this is the keep the MAK portion of the intake tubing the same size as OEM... which 9for most purposes) defeats the purpose of a larger intake. the only way to have a larger intake that is large all the way through, without bottle necking air flow at the MAF, is to tune the car around the intake.
the AEM unit actually has an electronic module that does a simple calculation and adjusts how the MAF reads the air flow. so say the AEM pipe is 20% larger, it just sends a modified signal to the MAF to correct for the 20% decrease in air pressure at the MAF. seems like the only way to go to me.
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You need a tune regardless. Its the best money you can spend on the car in my opinion. You'll see noticeable improvement in throttle response and power, torque curve will be reduced, and you'll maximize your gains with your mods. Otherwise, you could be losing power.