07-20-2015, 04:51 PM
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#8 (permalink)
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Batman Junior
Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
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Individual aero mods are generally a per cent or two improvement. Small enough that even though there's an improvement, it usually disappears in the normal variability of tank to tank MPG.
(Unless of course you're talking about a Kammback or boat tail, which is where the big gains lie.)
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