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Hi I'm Justin with AmericanMuscle.com, and this is my breakdown of Flowmaster's Pro Series
Axleback exhaust, fitting the 2013 Mustang GT. The Pro Series originated on the race
track where the demand for a high performance free flowing muffler met strict decibel sound
limits. The result is what we have here. A straight through muffler design allowing for
maximum flow, but with a deep throaty tone and zero rasp. This exhaust features the two
pro series mufflers, 3" tubing, and these large 4" brightly polished tips. Another nice
thing with the Pro Series is that it's constructed entirely using quality 409 grade stainless
steel. Getting this axleback bolted up to your 2013 is a very easy task that should
only take you about an hour in the driveway using basic hand tools. Now let's hear how
the Flowmaster Pro Series Axleback sounds compared to our factory exhaust.