H&R 19-21 Audi A6 Premium/A6 Premium Plus/A6 Prestige (AWD) F2 Sport Spring (w/o Sport Susp.) - 28687-1 fits_2005-2011`Audi`A6 Increases volume 8-10 decibels over

Increases volume 8-10 decibels over the Sport exhaust system

2x2 Twill Weave

Precision CNC-machined adapters for smooth flow and secure fit

The included PTFE -AN fuel lines and fittings are suitable for ethanol and tee into the stock fuel lines

H&R 19-21 Audi A6 Premium/A6 Premium Plus/A6 Prestige (AWD) F2 Sport Spring (w/o Sport Susp.) - 28687-1 fits_2005-2011`Audi`A6 Increases volume 8-10 decibels overSport 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