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They have them for just about everything. The Feedback seems mostly positive. Anyone ever used this? I figure your not gona see +15mpg but any increase will help. There was a few feedbacks from people with SD's and they said that product worked great. What do you guys think?
Last edited by SUPERDUTY_untouchabl; Jan 4, 2008 at 08:32 PM.
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level
Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.
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