1992 f-150 w/5.0

alright everyone..im new here.. well i just got my drivers liscense..well in august..and i have been wanting to upgrade my truck...in the next couple of days i plan on getting FLOWMASTER 40 SERIES and a K&N air filter. but i havent quite decided what else i want to put on it..i know i dont want to lower or raise it... so suspension mods are out..i want it to be something that an aspirirng mechanic can do in a weekend