According to my contact at Rampage their photo for the Rear Seat Covers # RA5057921, which is what is shown on our product page, does not illustrate the openings for the seat belts for the center seat. My contact assures me that they are there and will allow access to the seat belts for the passenger in the center seat.
These Rampage Rear Seat Covers # RA5057921 for the Jeep Wrangler are a confirmed fit for all models of the Wrangler Unlimited for model years 2007 through 2014. We also... view full answer...
The Bestop TrailMax II High Back Seat you mentioned, part # B3943615 is a full height seat, as opposed to the low back seats you currently have.
The seat is designed to fit over the original seat's riser and for your particular model year, no adapter would be required.
The matching rear seat would be the TrailMax II fold and tumble in Black Denim, part # B3944015. view full answer...
The AirBedz XUV Air Mattress w/ Built-In Battery # 341030 is a flat mattress so if the seats in your Wrangler are slanted when laid down the mattress will slant as well. view full answer...
The contours of Bestop Underseat Locking Storage Box # B4264001 are designed for Jeep Wranglers but it could fit other vehicles if the dimensions of the box are appropriate. This box is 17" long x 7-1/2" wide x 3-3/4" tall. Compare that to the available spare under a seat in your 2012 Nissan Xterra to determine if it will work. view full answer...
The Roadmaster InvisiBrake you referenced, part # RM-8700 has a small compressor in the control box that provides the necessary air pressure to actuate the towed vehicles brakes when needed. Although the box is typically mounted under the seat, it can be mounted anywhere in the vehicle that allows access to the adjustment knob.
I have linked you to an install video showing the InvisiBrake being installed on a 2002 Jeep Liberty. Although the install is for a different vehicle than yours,... view full answer...