EBC 08-11 Audi S4 3.0 Supercharged USR Slotted Front Rotors Drivetrain>Axle Seals The OEM rock guard's vertical

The OEM rock guard's vertical channel design is specifically designed to only work with the tube spacing found on the OEM core

they can also mean the end for your 2011

With the stock exhaust nozzle measuring compared to the Monster Exhausts massive outlet

Installation Is A Snap: This Rebel Series exhaust system uses factory mounting locations providing stability and hassle-free installation

EBC 08-11 Audi S4 3.0 Supercharged USR Slotted Front Rotors Drivetrain>Axle Seals The OEM rock guard's verticalChoose from EBC plain non drilled rotors or sport rotors in two choices wide aperture 3GD series for cooler running or new SUPER SILENT Ultimax USR slotted series. All EBC rotors are British made and are precision machined in the UK. Rotors are made from high quality grey iron to exacting standards and undergo extensive testing and rigorous quality control. Slotted rotors can significantly improve brake performance and longevity when used with a