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 2017-2019, Audi A4 Quattro 2017-2019, Audi A4 allroad 2017-2019, Audi A5 Quattro 2018-2020, Audi A5 Sportback 2018-2019, Audi A6 2014-2018, Audi A6 Quattro 2012-2020, Audi A7 Quattro 2012-2020, Audi A8 Quattro 2013-2014, Audi Q5 2013-2020, Audi S4 2011-2019, Audi S5 2011-2019, Audi S5 Sportback 2018-2019, Audi SQ5 2014-2020, Porsche Macan 2015-2019