Reviewed By Jason S (Pompton Lakes, NJ) Reviewed for a 1999 Pontiac Grand Prix —8/6/2007 10:36 AM
noticed about 1 or 2 mpg more, not much of a change. but there was a considerable power difference, had a little more kick to it.
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Reviewed By Scott F (Indian Trail, NC) Reviewed for a 2002 Pontiac Grand Prix —10/2/2007 4:49 PM
I have only had my filter in for about two tanks of gas but I do believe that I am getting about 10-20% better gas mileage. I do not know about other customers but my filter was a bit of a [email protected]$%h to put in and wound up with scuffed knuckles. I think I am getting more power out of the car as a result of the AFE filter but will follow up later once I put new spark plugs and cables on the car.