While the 6.4L Power Stroke is a pretty potent machine in stock form, a little fine-tuning from Elite Diesel Engineering can always help. Look for their new Fusion Custom Tuner for 6.4L Ford Power Stroke Diesel. With power gains from 40-210 rear wheel horsepower, fuel economy gains from 2-6 mpg, digital touch screen display. They've even got an Insanity file for a 250 hp gain to the tires for you guys looking for every ounce of power.
Contact them at www.elitedieseleng.com or call 866-544-1754.