When I installed the massive TJM bull bar I lost mpg over 70 mph. That thing is just NOT aerodynamic!. <img src="/forums/images/graemlins/zombie.gif" alt="" />

I can say I get the same mpg with an empty bed or 1200 lbs of gear, also run 32 psi front and 37 rear.

Jeff
96 T100 SR5 4WD Ext Cab, Warn Hubs, HD torsion bars, Bilsteins, Camper Shell, TJM bar, factory 31 x 10.5's, Powertrax No-slip rear, Recaro driver's bucket