2022 Nightster Oil leak Update and S & S Grand National Slip On Muffler sound comparison

I’ve had someone ask about the oil leak so here is an update on that plus my idea for mitigating the heat from the rear header pipe as well as the sound differences between the stock muffler vs the S&S muffler with and without the DB killer.
S & S Grand National Slip on Muffler link:
www.revzilla.c...