SSV Works JJK-DS10 Quick Start Manual page 3

For a hassle-free installation, we recommend having a second set of hands to help position the assembled sub enclosure into its position in the vehicle.
From the rear passenger door and the rear cargo area, lift the unit into place as a team.
G. Re-fasten the (2) factory T50 screws through bracket "MB-1"
and into the mounting rail. Make sure that the bracket sits
flush against mounting rail before tightening down. Make any
necessary adjustments to the bracket mounting bolts if needed.
E. Remove the (2) T50 torx screws from the driver side rear mounting rail.
The (2) factory screws will be re-used to fasten the MB-1 Bracket to the
mounting rail and secure the JJK-DS10 to the vehicle. (circled in blue)
F. Remove the (1) rear seat mounting nut with a 18mm socket. The
MB-2 bracket will be placed over this mounting stud that the (1) nut
was removed from. (circled in pink)
G
H. Re-fasten the (1) 18mm nut to the rear seat mounting stud
securing the Bracket "MB-2".
JJK-DS10
H