1999-2007 Upgrades and Aftermarket - GeneralUpgrading or adding OEM or aftermarket equipment to your 1999-2007 Super Duty. Please confine discussion of topics in this forum to those items that are not engine-specific.
I think the ads are making the claim for the newer dodges, not the fords. I think it's because the hubs never disengage on them.
By going to the Dynatrac hubs, the ability to disconnect the axle shafts and reduce rotating mass is supposed help alot.
My brother has the kit on his 06 dodge, and it gave him a noticeable milage increase.
2006 F-350 SRW. Detroit Locker, ID SCT XCAL 2-extreme street, DR 2.5" levelling kit, 35" BFG Mud-Terrain's, Black Legend Ranch Hand, A.I.C./B.C.P. mod, Alpine in-dash TV, two Kaption 10" subs behind rear seat, Clarion amp, Kaption component sets,,,,more to come.
maybe 1 0r 2 mpg for me , it payed for itself since i bought it 2 years ago, havent replaced a wheel bearing yet, i just took them out and re packed them with grease last weekand and everything was great.half hour each side