Worse gas milage with an intake?
#1
Worse gas milage with an intake?
Hey. I have an 07 silverado 4x4 with the 4.3L. I put in an Airraid cold air in and get about 17 mpg on average and before I had in a K&N Replacement in the stock air box and got over 19 with it. ha. does anyone know if its possible to get worse gas milage with an intake?
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