hi. im 16 years old and have only been driving for a little under a year so i basically know nothing about cars. i drive a 1999 cavalier convertible and i want to amp up my totally stock sound system. i dont want anything ridiculous or flashy or anything to hard to do myself. because i know nothing about audio equipment i dont know where to start. i was thinking about replacing my stock speakers with better ones of the same size and getting a better amp. i dont even know if it would be worth it or sound the same or if i should be doing something else. any advice would be helpful