Flowmaster's Super 44 Series Muffler delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four-inch case street muffler we've ever built!
Available in 409S Stainless Steel with a Lifetime Limited Warranty, these mufflers feature our advanced Delta Flow Technology design and are fully MIG-welded for maximum durability.
Purchase the Flowmaster Mustang Super 44 Series Muffler for your 2015 Mustang GT from Steeda Autosports today!
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