Jim Smart
January 12, 2011

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Dynomax Ultra Flo Exhaust Systems
#39414Dual 2 1/2-inch pipes, mufflers with 3 1/2-inch tip '05-'09 Mustang GT, Shelby GT, Shelby GT500
#39434Dual 2 1/2-inch pipes, mufflers with 3 1/2-inch tips '05-'09 Mustang 4.0L V-6
#39460Dual 3-inch pipes, bullet mufflers with 3 1/2-inch tip '05-'09 Shelby GT, Shelby GT500

New Ultra-Flo systems are available for '10 Mustang, with an '11 version coming soon. Go to www.dynomax.com for more detail.