These are silent brake pads which deliver great brake response from first application of the brake pedal. Fitted with OE style noise reducing shims. These pads are designed for street use. USR Slotted Upgrade Brake Rotor. Sold in pairs for front or rear fitment. Wider aperture grooves dispel gasses and debris. Manufactured from unique rotor alloys. Slot pattern gives quiet braking. Thermic black coated for maximum corrosion resistance. Inspected for runout. These rotors are made from special rotor alloys which are unique to EBC Brakes. Rotors are precision machined by EBC Brakes with a slot pattern that gives quiet braking, improved brake performance and increased lifetime of the rotor. All EBC Brakes USR rotors feature corrosion resistant thermic black coating.