The installation process is amateurish. Thin, brittle pieces of metal are used to place the main screen that covers the caliper. The brackets are constantly moving and touching the brake disc, creating a grinding noise. As a professional automotive technician these parts have cost me many dollars from dissatisfied customers and when the owner takes them to the dealer for diagnosis the dealer calls these parts junk and I wholeheartedly agree! If I can get them back from the customer I intend toβ¦