I too did mine about 9 months ago, and they still look like new .
2 things :
1. I installed the clear protective covers that have UV protection. ( includes fogs )
2. I do my best to never park it in the sun.
from
AutoAnything | Auto Accessories & Aftermarket Parts | Truck Accessories & Car Accessories - Floor Mats, Tonneau Covers & Car Covers :
X-Pel Headlight Protection
SKU 304096 Part # H0818 Vehicle 2005 Chrysler Crossfire Submodel All Crossfire models Color Clear 1 $48.95 Ships between 09/22/2011 - 09/26/2011
FEDEX Home Delivery $48.95