S4 Kits Greenstuff 7000 and USR Rotors Spyder Auto and not all 31” tires

and not all 31” tires are the same size - rubber contracts differently from the molding process depending on how it cools and how thick the rubber blocks are

All APR Rear Bumper Skirts are made in carbon fiber composites for lightweight and high strength

The aluminum housing receives a chromate conversion coating that acts as a corrosion inhibitor against elements such as salt

Run 2 was the coolest (174 degree starting temp) for both setups

Note- Image may not be for your specific vehicle

S4 Kits Greenstuff 7000 and USR Rotors Spyder Auto and not all 31” tiresSave 10% from buying separate parts with EBC Brakes quality brake kit. High efficiency EBC pads with patented EBC Brake in coating and premium rotors with thermic anti rust coating, fully balanced and run out tested for smooth braking.