[e_powers]

properly inflated stock tires, and a fabric tanouel would help. one of those redneck nets instead of a tailgate will help a little.

any thing like the tornado or any additive will hurt gas mileage or your engine. do not try them.

to advance timing on your truck you will need a quality chip to program, and if not maintained properly k&n and air hogg airfilters will hurt gas mileage and add wear to your truck. so keep an eye on them.