Aside from more wear engaging and disengaging. I felt I got better gas mileage with afm tuned out than I did with it constantly kicking on and off.
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Rotofab CAI, 2" LT Headers/non catted, 3" Straight Pipe w/ X-Pipe, Elite Catch Can, GPI SS3 VVT, 9" 4000 Triple Disc, Yella Terra Ultralite Rocker Arms, MSD Super Conductor wires
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