Power Stop Evolution Coated rotors are a direct bolt-on replacement for factory equipment. Fully coated using Genuine GEOMET rust preventative coating; treated with a thin layer of Genuine GEOMET 360 coating to protect against rust and corrosion without influencing the vehicle's braking performance. High Carbon metallurgy provides Improved Thermal Conductivity To Resist Distortion And Cracking; Improved Damping Coefficient To Reduce Squeal. Manufactured to original equipment specifications for fitment, weight, vane count, and performance. Audi A4 2012-2016, Audi A4 Quattro 2012-2016, Audi A5 2012-2016, Audi A5 Quattro 2012-2017, Audi A6 2012-2013, Audi A6 Quattro 2013, Audi A7 Quattro 2012-2013, Audi A7 Quattro 2018, Audi Q5 2011-2017, Audi allroad 2013-2016