Everything has been upgraded:, sumo springs, radius rods, steering stabilizer, 2-230 amp hour lithium batteries w/converter, diesel heater, water pump with expansion tank, tankless water heater, extended stay propane tank,tpms, dual filter water filtration on both water systems, new furion stove, new fixtures in kitchen and bath and shower, washer/dryer combo, new recliner couch, engine and trans tuner, satellite, 2 new Max Air fans w/remotes, air conditioner upgrades, keyless entry, friction hinges, new outside speakers(originals were junk),12 volt heaters in wet bay and water pump bay, bluetti ac500 inverter with two b300s batteries and 400 watt solar panel, all the hoses and sewer connections including a flowjet macerator with 100 feet of 5/8"hose(so you can dump tanks at house). new elongated porcelain toilet. slide toppers. 3 TVs