I replaced my left side outer boot in July, I took route of removing the inner boot and then putting on the outer boot. That axle nut is torqued to something like 450 lb ft, after reading numerous posts where guys just couldn't get the damn thing off I took the inner boot removal method.

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2002 X5 4.6is
1999 C5 Corvette
1992 Mitsubishi 3000GT VR-4
1994 Kawasaki ZX-9R
2005 Mazda 6 Wagon (Wife's)
1991 Mitsubishi 3000GT VR-4