Tune up
Change the spark plugs
air filter
fuel filter, after you run an entire can of Sea Foam through 3/4 of a tank of gas
flush your radiator
get a scan to make sure other things are working as they should be (ie: 02 sensors) maybe spark plugs wires but usually they're just fine
do a top end cleaning, Sea Foam or Mopar Combustion Chamber Cleaner

