EBC S4KR1457 Redstuff Pads & USR Slotted Rotors for 2017-2022 Audi A4/A5/S4/S5/Q

Vehicle Fitment

• 2017-2022 Audi A4, A4 Allroad, A4 Quattro - Rear axle
• 2017-2022 Audi A5, A5 Quattro - Rear axle
• 2018-2022 Audi S4 - Rear axle
• 2017-2022 Audi S5, S5 Quattro - Rear axle
• 2018-2022 Audi Q5, SQ5 - Rear axle

Features

• EBC Redstuff ceramic rear pads: high friction, low dust, quiet operation
• USS Sport slotted 330 mm rotors with fine slots for enhanced cooling
• Aramid-ceramic pad compound with patented Brake-in™ bedding coating
• Shim-slot-chamfer design for smooth, quiet braking experience
• Thermic Geomet anti-rust coating on rotors for durability
• Precision-balanced, vented rotors to resist warping during heavy use
• Direct bolt-on rear installation - no machining or caliper mods needed
• Includes tube of EBC caliper lubricant for proper servicing

Specifications

• Rotor Diameter: 330 mm; Thickness: 22 mm; Height: 36.1 mm; 5-bolt vented/slotted design
• Center Bore: 68 mm; Pad FMSI: D1898; Ceramic-aramid compound
• Position: Rear axle only
• Warranty: 12-month / 10,000-mile coverage

Included Components

• 2x USR1846 330 mm USR Sport rear brake rotors (left & right)
• 1x DP32254C EBC Redstuff rear pad set (FMSI D1898)
• 1x Tube of EBC caliper lubricant

Product Description

The EBC S4KR1457 Stage-4 Signature rear brake kit is specifically designed for 2017-2022 Audi A4/A5/S4/S5/Q5 vehicles. By pairing high-performance Redstuff ceramic pads with vented 330 mm USR Sport slotted rotors, the kit offers faster pad bite, enhanced cooling, and significantly reduced dust - a noticeable upgrade for daily and sporty driving.

The rotors are thermic-coated and precision balanced, ensuring consistent braking performance under heat stress. Pads feature aramid-ceramic construction, shim-slot-chamfer design, and EBC's patented bedding layer for fast break-in and low noise. Installation is simple and direct - no hardware changes required - and includes caliper lubricant. The kit is backed by a 12-month/10,000-mile warranty for peace of mind.