stevenaa Posted August 21, 2007 Share Posted August 21, 2007 Need to go with Cold Air intake to notice a big difference. They do allow a larger particulate size past, but it is only a big concern in very dusty places. I get 18.5 MPG on the higway in my stock Suburban. So, if you're doing much better than that, maybe it's helping some. Link to comment Share on other sites More sharing options...
edgun88 Posted August 21, 2007 Share Posted August 21, 2007 Hey someone grab the license plate. We are so gunna egg that car next weekend at the game. jk :laugh: Link to comment Share on other sites More sharing options...
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