H&R 98-04 Audi A6 Quattro (AWD) 4B Sport Spring Driveshaft High quality hardware is used

High quality hardware is used for strength and durability

Muffler dimensions 3" Offset Inlet/ 3" Center Outlet

A custom high temperature reinforced silicone elbow coupling with aluminum fitting is included for easy install to the factory breather line

12x T-Bolt Clamps

This differential cover is constructed out of durable cast aluminum with reinforcing ribs for maximum strength and comes with necessary hardware for easy installation

H&R 98-04 Audi A6 Quattro (AWD) 4B Sport Spring Driveshaft High quality hardware is usedSport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicle's