Mine gets 16.5 city and around 18 hiway, with the only mod being a K&N air filter.
Just an FYI, but this is a forum that takes sometimes days to get a good reply. I said that because you seemed disappointed that no one answered you between 2:30AM and 9:30AM. (I was asleep most of the time)
What kind of mileage are you getting?
01 Sport, front drum brake & birfield joint conversion, custom '4 Wheel Drive' stickers, neon washer nozzles, chrome type 'r' oil pan bolts, wooden bead seat pads, racing exhaust tip, offroad license plate frame,
lots of misc. stuff (2.5" Skyjacker springs, 1" BL, 1"MML, Custom flat tcase & engine skid, RE arms, Skyjacker shocks, JKS Discos, Superlift Trac bars, Garvin bumpers, Warn 9.5ti, Lockright & trac-lock, 32" BFG KM's, Kilby & warn skids, EOR rocker bars, cowl snorkel)