I had the guys at Rack Outfitters put the full length (84") rack on since I never use the sunroof. I can't speak to the shorter rack, but the guys in the shop in Austin can't be beat. Quick, professional, and friendly service, plus a whole slew of the attachments in their shop. I'd recommend swinging by if you're in the area.
I had it loaded down with three Jerry cans, 6 cases of water, plus the jack and shovel. There was a bit of wood noise as would be expected, but otherwise the rack performed flawlessly. I can't hear much of a difference when I just have the rack on without any attachments.
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