Read this most recent review by an experienced Viper driver after 5 track days on his ACR-Extreme with CCM brakes and learn how it compares to the traditional iron brake.
Prepare yourselves- this post may go against conventional wisdom and rub you the wrong way
The hardest decision when ordering my ACR was whether to go with steel or carbon ceramic brakes, because of the widely varying opinions on the subject. After three years of tracking my 2013 GTS, I had pretty much outgrown the 4-piston steel brakes....
http://driveviper.com/forums/threads...ht=racingbrake