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  1. 05-16-2007, 19:06 #1
    Stlheadake's Avatar
    Stlheadake
    Stlheadake is offline Enthusiast
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    Jan 2005
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    Default My two cents....

    I put on the Kennedy 4" turbo back pipe and saw an immediate change in mileage. I went from 15 around town to 16 and some weeks 17. I can get 19 steady on the highway running 70. If the wind is right, I have touched 20 but it is a rarity.

    I too am looking to consistently get in the 20s with mine. It is a daily driver that I use to tow our camper about every other weekend.
    Scott
    St. Louis, MO


    '06 Silverado K2500 4x4 Crew Cab D/A "Big Max" AmpResearch retractable Running Boards, 4" Turbo back Kennedy Exhaust, Kennedy Custom Tune!
    '99 BMW K1200LT "Special K" my other "SUV"
    '07 Salem by Forest River Fifth Wheel Toy Hauler
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  2. 05-26-2007, 20:13 #2
    jharden1
    jharden1 is offline Enthusiast
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    Default

    17.9 DIC last tank of mostly freeway. 2k miles. DIC said I used 20.7 and I put in 21.2, off about 2%.
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  3. 06-15-2007, 05:45 #3
    DMAX-HD's Avatar
    DMAX-HD
    DMAX-HD is offline Enthusiast
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    Default

    avg 17 both hwy and city. 3rd tank of fuel
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