Throatier exhaust note over stock muffler. Includes mufflers with Ford Racing embossed 4" exhaust tips. 50 state drive-by noise legal. Stainless Steel. Fits 2011 Mustang GT M-5230-MGTCA$749.95 www.realspeedauto.com Ph.631-563-7325 All parts listed are for the Ford Mustang unless otherwise noted. Copyright 2018 Realspeed Automotive Inc. All rights reserved.