Tanabe T70170A Medalion Touring Axle-Back Exhaust System (Dual Muffler), for Lexus GS350 Fits 2013-2014 Lexus GS350 (AWD) and GS350 F-Sport (AWD) While attractive looking, the dual wall tip reduces exhaust resonation and helps produce the trademark low, deep tone Highest grade SUS304 stainless steel is used for maximum durability and lightweightedness Where necessary, the piping is mandrel bent for improved exhaust flow characteristics Slim canister is attractive and designed to allow for high ground clearance for lowered vehicles