im an average joe and i say **** the mileage thing too,since i got my gears i bet i dont get 10 to the gallon but gears will help mileage if the driver dont try and put his foot into the radiator like me.
i agree when i got my mustang i wasnt to concerned about the gas mileage and since adding gears yeah i do find myself filling up a little more but then again every once in a while i let her break the tires loose
i love breaking the tires loose,the other night i finally got my car out and let her rip all the way up the lot at my friends bar before we had drinks,i love my rev limiter.