I did not purchase this set from Revain, I purchased the same from RockAuto.com. I have used Power Stop brakes on my other vehicles and have been very happy with them, but this is definitely an exception. I bought a complete kit for my Volvo C30. I installed them properly and went through the hack just like other sets I've bought. I have about 1500 miles on this set now and they are terrible. They don't "grab" as well as the Volvo factory brakes, they squeak and howl EVERY time I back up, and…