Do I Need to Tune My New Voladar 3.5" Build?

The deafults in BF are quite good nowaday - you can safely fly on deafults, however if you tune it it will fly much better. That frame is not too noisy, so the filter settings should be easy to set up. The PIDs  - if you know what to do - you know, if not - try to look for tutorials on YT - Bardwell or Chriss Rosser, or PIDToolbox.