Quote:
Originally Posted by HEK
I don't want to get flamed but i installed an Injen CAI on my Z and I went from 22 to 25 mph. Not sure if it would really be worth it if all you're looking for better mpg but I noticed it as I keep track everytime I pump gas miles vs gallons used not the computer display....
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Makes 0 sense.
To you and the OP, exhaust mods are the only mods that theoretically increase MPG