I sent my Edge Evo to PHP today. Hope I can get it back before the 4 to 6 weeks they say on there Wb site. I have a 07 F150 Lariat SC 4x4 5.4 Flex 35,600m. Only mod's I have done are the AirAid CAI, TBS, and Fitch Fuel Catalys. I asked them to do a 85 octane Performance and Tow, and leave the third the canned tranny. With the mods I have I get a reasable 15 to 16 in town. So hopefully with the tunes I wont have to worry about the lean isue, and shell run alittle better. This truck has to last at least 10 more years. Oh and ya the TBS, and Fitch might me paper weights but they arent hurting anything and Im to lasy to take em off. Heck I did get a good mile to mile and a half better MPG with all of them.