H&R 98-04 Audi A6 Quattro (AWD) 4B Sport Spring - 29797-2 fits_2004-2008`Pontiac`Grand`Prix When pressurized gasses are recirculated

When pressurized gasses are recirculated through the PCV system

Uncompromised Sound Engineering

you bypass these issues entirely

100 Percent Hand MIG-Welded For Long Lasting Quality

H&R 98-04 Audi A6 Quattro (AWD) 4B Sport Spring - 29797-2 fits_2004-2008`Pontiac`Grand`Prix When pressurized gasses are recirculatedSport 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