2014 Audi‬ ‪S6‬ getting a full ‪‎turbo‬ back ‪‎exhaust‬ to finish off all the HP‬ ‪‎upgrades‬ to handle the RS7‬ ‪‎swap‬. Full unit with HFC and non-res unit with black tips 2014Audi‬ S6 Read more