Home/2011 Mustang Cat-Back Exhaust Xforce SMARTBOX Varex Muffler ECU Upgrade module $574.03 Xforce Axle-Back Varex Mufflers, 2011-14 Ford Mustang GT, 2011-12 GT500 $1,359.54 Roush Exhaust kit, stainless, round tips, 2011-2014 Mustang V6 $965.99 Roush axleback exhaust, 4 round tips, 2011-2014 Mustang GT, 11-12 GT500 $1,034.99 Ford Performance SVT muffler kit, 2011 Mustang GT $785.98 Cervini's Eleanor Side Exhaust, incl/ Rear Valence 2013-14 Mustang $2,815.88 Cervini's Eleanor Side Exhaust, incl/ Rear Valence 2010-12 Mustang gt $2,656.48 BBK O2 Extenders, Rear, Pair, 2011-14 Mustang $95.88 Bassani Power X-pipe, 2011-2014 Mustang $621.65 Bassani Street Race axle back exhaust, 2011-2014 Mustang GT, 11-12 GT500 $977.91 Bassani 3 Exhaust System, 2011-2014 Mustang $1,957.59 Don’t see what you are looking for? Give us a call or send an email. We sell thousands of additional parts not listed on the website.