One Front Hood Gas Charged Lift Support For 2005-2011 Audi A6 Sedan & A6 Quattro Sedan, 06-11 Audi A6 Quattro Wagon, 07-11 Audi S6 Sedan. Only 1 Support Required. WGS-351-1 Unlimited 3 Year Warranty Lifetime Warranty on all Components OEM Quality Replacement Individually Tested For Performance and Reliability Easy Installation