HELLO, THIS IS THE 2ND SET OF Xbrakes'S THAT I HAVE PURCHASED AND I AM 100% SATISFIED WITH THE QUALITY AND PERFORMANCE, I AM EXTREMLY HARD ON MY BRAKES AND MY Xbrakes'S STAND UP TO THE PUNISHMENT, WITH LITTLE TO NO DUST ON MY HIGH PERFORMANCE WHEEL'S LOVE IT!! I RECOMMEND Xbrakes'S TO ANYONE WHO IS LOOKING FOR QUALITY, PERFORMANCE AND JUST A GREAT SET OF STOPPING POWER, SMOOTH!!! DEAN