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I get 13 city 16-18 highway with Flowmaster 40 si/do, Gott's intake mod/home made intake(helped about .5-1mpg) 3.08 gears and the 5 speed.
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Black 2008 4.2 5spd F150 reg. cab.
Flowmaster 40' duals out the back
Sony Xplod CDX GT430ip Headunit
Kicker Comp vr 800 watt 4ohm DVC Subwoofer,Alpine MPR M500 500 watts rms at 2 ohms.
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