clueless about tuners
 

So, I am hoping to get some advise! I own a 2015 SS. Its still pretty stocky. The only mods so far are a cool air intake. borla axle back s series exhaust, A throttle body spacer. Not installed yet, but some headers. Im hopen to participate in a street event coming up Only my 2nd one. Any body have recommendations on a programmer or tuner 600 dollar budget. I hear ding a dyno tune is the best., but im just getting started, and i expect my car will go through a few changes through out this prosses, I appriciate any advise. Thank you! and yes my spelling and punctuaition is horrible.