daytona charger

hey guys wuts up, my dad just picked up a yellow daytona r/t today, havnt seen it yet will tho tommorow, but im gonna try and talk him into some performance things like full exhaust, air intake but i was also wondering about a custom tune like a nelson tune? anyone know where i could get one, i looked at nelson performance they seem to do only gm's. so yea anyone know some good places to get some performance things?