Nope. I drove it without the Geo brackets for a month before installing them - MUCH better now. This thing is awesome to drive and wheel!
2012 JKU - Tigger - 6-Speed, 3:73 LSD, AEV 2.5" w/Geo brackets, GYD 285-70-17, Bestop Bumpers front and rear.
2013 JKU OM - Oscar - Auto, 3:73 LSD Freedom Edition - GYD 285-70-17, Poison Spyder spacers, TF 1" leveling puck.
2005 Liberty - Daughter's
2014 Patriot - Son's