No, I haven't.
The rear came off a long time a go...the front came off just a few months ago.
Off hand, as the rear bar makes so little impact to start with, I'd just let it go...
I messed with disco's for a stint...just not worth it. Besides, they rattled like a bitch.

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- TJ
2001 Xterra '03 VG33, SE 5 spd, 305/70/16's, Revolvers, UBSkidderz, Doubled AAL's, 3"SL/2"BL, winch/bumpers, skids, sliders, OBA, Snorkel, pine stripes....
Friends don't let friends drive stock.
http://www.gifsoup.com/view/501230/tj-tackling-crawlers-ridge-o.gif