Hey Man,
I just did an ICON stage 2 lift (coilovers, total chaos UCAs, 2" icon coils, 2.5 remote resi shocks in the rear) on my 08 Sport.
I cant say much on longevity, due to the fact the lift is pretty new, but other members on the forum say good things about ICON.
But Ive done 500 miles on...