I've got a mate raving about having it done to his Disco 3 and I'm a little dubious as I thought I remembered hearing stories of them causing other stresses in the suspension parts for LR air-sus vehicles. Anyone done this or got any horror stories? 
07 Supercharged - Still breaking her in!

Boot soundproofing part 1 - http://www.fullfatrr.com/forum/topic15612.html
Custom exhaust - http://www.fullfatrr.com/forum/topic15296.html
18" wheels for Brembo equipped cars - http://www.fullfatrr.com/forum/topic15052.html

I remember something similar about the compliance being too hard for modern air suspended Land Rovers and will course damage down the line , always best to stick to the correct bushes . 2008 MY Supercharged
Rimini Red / Jet
four zone climate
remote park heater
and no ugly kid windows.
magnus satis quod turpis satis