Did your gas mileage improve with mods too?
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Originally Posted by MadSkyline81
yeah a good intake and exhaust will def increase your MPG. I didin't know Headers inpoved it as well. To my knowledge i believe the only N/A engine mod that decreases MPG is a plenum spacer and/or bigger plenum. And someone chime in if I am wrong but that is what I was told.
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Haha! This post is great :P I plan on getting Stillen Headers, Test pipes and Stillen Exhaust. I like the nice low revin deep tone it puts out. Hopefuly, if im lucky, its gonna increase my MPG too ....but like he said....only for the first tank ~_^ Although you have to give a thumbs up to Infiniti for puting such a nice sound stock exhaust on it.....what are some other positive increaser to MPG beside exhaust components? I travel on the interstate alot and i must say, the highway MPG deeply depresses me :/ Think i need to get a K&N or would an Injen CAI increase it more?? Not sure where CAI stands as far as fuel economy. But what other stuff helps besides helping your engine breathe????
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