$10,000 for a dealer installed supercharger. Plenty of power. 5-6 mpg at 85-90 mph. A duramax and allison would triple the fuel economy. Add a $420 diabosport programmer for and additional 100 HP and 200 ft.lb. torque on the Duramax. Way more HP and Torque than a supercharged motor. I'd pay $8000 more for a duramax all day long.
Dan from Alabama
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