05 Electra glide. 5 speed tranny. 48 slow jet in the carb. Arlen ness breather backplate with k& n filter. Andrews N21 grind cams. Vance and Hines true duals with standard baffels. I get 46 miles per US gallon. My buddy has 99 Heritage with same setup except he has Andrews ev27 cam and single fire ignition. He gets 46 mpg as well. I would be ticked if only got mpg in the thirties.