Synergy 5019 - Jeep JK Thru Coil Front Air Bump Kit - Manual (Page 9)

17) With areas cleaned up for welding, reposition the bump can and tack weld into place.
18) Double check measurements and fully weld in the bump can. Weld as much as possible. The back side
of the bump can will be difficult to get a welder to. It is ok to leave the back side un-welded.
19) Position gussets and weld in position. Weld as shown below.