Manufacturers

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  Bully Dog is the world leader in performance parts for Ford, Dodge, and GM diesel trucks.
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  Hypertech is the world leader in high-performance engine tuning products for computer-controlled vehicles.
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  MagnaFlow performance exhaust systems and mufflers for diesel/gas trucks, SUVs, sport compact, American Muscle, and Hot Rods.
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  Superchips offers a complete line of hand-held tuners to cover most domestic cars and trucks that deliver incredible power gains yet maintaining drivability.