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i bought it for towing gains. i went with 87 octane tunes. i tow a 9000lbs. camper + me w/ my wife and three kids. the tow tune works great for me. it holds the shifts later and the shifts are alot firmer. i never recorded mpg gains though. mike from 5 star tuning is a pleasure to deal with. heres his link. 5 Star Tuning | Custom Dynomemeter Chassis Tuning Products and Services
Rezvani's Latest Post-Apocalytic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.