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  1. #11

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    Quote Originally Posted by redvett View Post
    Better aerodynamics equals less wind resistance and better fuel mileage, the wind tunnel does not lie. The less air that goes under the vehicle = less turbulence from under chassis components to slow the vehicle down.
    OK, my truck is 2WD and when compared to a 4WD truck probably sits at least a couple of inches lower - so I'm assuming that the air dam is the same for both trucks - So then when I remove my air dam, then the air that goes under my truck should be the same that goes under a 4WD truck with the air dam

    Am I not correct - or at least close in this assumption ???
    Richard (Winnipeg, MB Canada) - 2012 GMC Sierra 1500 SLE 4x2 (Carbon Black Metallic) -Z71 - 5.3 L V8 - 3.42's
    Leer 100R truck cap; Chrome clad aluminum wheels (18"); custom cat-back dual side exits (4" diameter Magnaflow SS tips) exhaust system with Magnaflow muffler (18"); Cloud Rider stainless steel grill overlay

  2. #12

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    I recommend removal of that aggravating air dam thing!!!! I removed mine after I got caught on a piece of concrete and ripped the whole fog light assembly 1/2 off!!! I removed it last spring and have noticed no negative effects on my 2008 GMC Sierra. It's just a few rivets to remove and if you find you are having issues, it's really easy to put back on!!

    Just my two cents!!

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