Heavy Duty All Weather Floor Mats For Audi A4 S4 Rs4 B6 B7 02 03 04 05 06 07 08 (Set of 4) Heavy duty thick rubber mats sold in sets of 4 front and rear. Compatible with factory Audi retention system, these snap right in. Thick grooves trap water sand mud and snow and protect your carpet. Built with thick dense rubber to outlast any other mat on the market. Compatible with Audi 2002-2008 A4 S4 and RS4 models.