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I've got about 12k miles on my '11 FX4 S'crew and lovin' it, but looking for a bit more power & better economy. I've already installed a K&N drop in filter & a Magnaflow muffler, but really haven't affected much. Any advise would be appreciated.
Rezvani's Latest Post-Apocalyptic 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.