My shop said they havent heard of any supercar failures, yet anyway. Should get 50000 with track use as a estimate I'm told. I they are like Konis you can adjust stiffer to compensate for wear, as long as they arent leaking course.
Mods: Magnaflow 3" comp catback/Rotofab CAI/Apex Scoop/VMax T/B/ G.M. Blade Spoiler/SLP Splitter/ Forgestar cf10 wheels & Michelin Super Sport tires/JBA Shorty Headers,HiFlow cats & tune/ Pedders Supercar coilovers and Pedders 27mm/32mm sway bars /BMR cradle bushings, toe links and trailing arms/Stage 1 cam-445/427 RW HP/TQ