Have you had any luck looking for a trailer hitch?? I'm looking for one as well for my 2011 SR5. I bought my cross bars here:
2011 Roof Racks, Cross Bar Toyota 4Runner USAToyotaParts.com
Did you buy your T4R overseas like I did??
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Current: 2011 Met. Grey SR5:
Door edge guards, Xentec HIDs, T4R all weather mats/cargo trey, 3m headlight protector, hood deflector, debadged
Previous: 1989 Hilux Surf. 1997 T4R Limited