Home/2007-11 GT500 Cat-Back Exhaust Xforce Axle-Back Varex Mufflers, 2005-10 Ford Mustang GT, 2007-10 GT500 $1,359.54 Roush Extreme Cat-Back exhaust, 2005-2009 Mustang GT / GT500 $1,103.99 Magnaflow Magnapack 3 exhaust system, 2005-09 Mustang GT and GT500 $1,264.05 Magnaflow Cat-back exhaust system, 2.5 stainless, 2005-09 Mustang, GT500 $1,383.47 Flowmaster FlowFX Axleback, 4 in. black tips, 2005-2010 Mustang GT, GT500 $461.47 Cervini's Side Exhaust Kit, 2007-09 GT500 $2,656.48 Bassani Catback and X, 3 Stainless, 2007-09 GT500 (mid pipe req'd) $1,522.96 Bassani Mid pipe to stock cats, 3 stainless, 2007-09 GT500 Reg. $269.89 NOW! $195.00 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.