Yep. That’s it. However I ran the wire to my bumper to the right of the license plate and installed a mic jack. It took me many mics to realize that I needed an attenuator.
Jack at rear bumper
https://www.amazon.com/Philmore-3-5m...178702&sr=8-34
Mic
https://www.amazon.com/Rode-VideoMic...s%2C410&sr=1-3
Attenuator: This is the secret sauce as the exhaust is so loud it will cause the ANY microphone to cut from excessive loudness
https://www.amazon.com/Inline-Contro...BDGH15VEDVW79D
I credit Luan Zeqollari as inspiration on his go pro hero 6.