The original owner of that SHO, who developed this mod, and authored the tutorial on it, found out eventually, through real world application, that it resulted in no improvement.
A separate, former SHO owner, who happens to live not far away from that OP, had also tried bags in/on the rear axle, after learning the traction bars didn't help, and the bags weren't of any improvement either.
I knew/still know both owners. Neither whom are active here, or elsewhere, as it pertains to the SHO.
Odd thing those theories turn out to be..... real world testing often dispels what one would think, would be a logical solution.
Sent from my SM-N920V using Tapatalk