I flashed 4.3 and applied the Supafly 5" 6S preset, I also switched to ‪@Gemfanhobby‬ sbang props, they are a 4.9" rather than 5" and not too aggressive pitch wise.
Somewhere in that mix is some magic that makes it fly really tight and responsive.

#sbang #fpv #analog

--Setup--
Goggles: Orqa FPV.Pilot
Camera: Caddix Ratel 2
Action Cam: GoPro Session 4
Antenna: Foxeer Stubby
VTX: Rush Tank Solo
Frame: GepRC Mark4
Motor: Emax ECO II 1700kv
Props: Gemfan Sbang