H&R 28558-2 Street Performance Coilovers for 2009-2016 Audi A4/A5 Quattro

The H&R 25-26 Mercedes-Benz C63 S E-Performance Sport Springs are high-performance suspension components designed to enhance vehicle handling and aesthetics. These springs lower the vehicle's center of gravity and reduce body roll, resulting in improved cornering stability and a more aggressive stance. Constructed with a progressive spring rate design, they deliver a combination of superior ride quality and comfort while reducing wind resistance for a more streamlined profile and potential fuel efficiency gains. As H&R’s top-selling product, these sport springs are an ideal upgrade for enthusiasts seeking both performance and visual enhancement.

Compatible with 2025 and 2026 Mercedes-Benz C63 S E-Performance models equipped with AMG Ride Control and Rear Axle Steering, these bolt-on springs are tailored for direct installation on vehicles with the specified features. They are suitable for street driving and spirited daily use, providing a balance of improved handling and ride comfort. The kit includes the necessary springs and is designed to optimize suspension performance without requiring extensive modifications. These springs serve as a reliable upgrade for owners looking to improve vehicle stance and handling characteristics.