I have the MFC lift. The key to drama free operation is proper installation. I had mine professionally installed by one of the most reputable Jeep offroad shops in the country. I've had zero issues, everything aligned perfectly, and it drives exactly as well as it did before the lift. A properly installed 2" spacer lift will not void the warranty. Improperly installed will possibly. I run 245/70/17 Toyo Open Country A/T III's with zero mods, and zero rubs. If I would have changed anything, I would have had Bilstien B6 struts and shocks installed at the same time as the lift. Overall I am very happy with the setup, and I highly recommend it. When you start to throw other factors like going over 2 inches, tires bigger than 245/70's, and things like wheel spacers, that's when things start to be, not so drama free. That's my review, and recommendation. Hope that helps you...😎