M998 Rear High Back Seats

[bcheval]

All
I am thinking about installing rear High Back Seats in my M998. Currently I have the standard 2 piece. Can I use the bottom seat/cargo cover the HMMWV came with or do I need to replace it with a reinforced version. The drawing from TM 9-2320-280-24P-2 Figure 454 looks like it bolts right up.
Thank you in advance for any help, I want to make sure it is done right and not rigged.
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[bcheval]

Update, I went ahead and ordered replacement seat and cargo covers for the rear high back seats PN #12446966 and PN #12446967. I will let everyone know how the install went when they come in.
E