Yes, it does change color from very shiny to a dull shine. At the headers there will be "blue" color forming. As of today, I have my system on for over 24 months and over 12,000 miles driving all year around including the snow, rain and shine, hot and cold weather. Kayo Ong #5508 Lic 9D NY In a message dated 4/16/05 1:18:17 PM, 5n-@xxxxxxx writes: > > Also, the stainless doesn't change color from heating up and cooling > down over and over again? -----Dani B. #5003 > > [Non-text portions of this message have been removed] To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/