42003 Impala 3.4 want more horsepower???
February 11th, 2008, 11:05 PM
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42003 Impala 3.4 want more horsepower???
I have a 03, 3.4 with a cold air intakeI don't know what else to do to give it more horsepower I had super 40's flow-masterson it butItook them off becauseI got sick of them!! can any helpme find out how to give my carmore horsepower...thanks....
February 12th, 2008, 1:42 PM
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