Gve your Mustang an upgrade with Flowmaster's Super 44 muffler. It uses the same Delta Flow technology found in their larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four-inch case street muffler they have built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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