Flowmaster American Thunder Catback Exhaust – 2015+ Ford Mustang GT (V8/5.0L) – 817730

Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive, highest performing street muffler we’ve ever built in a four inch case. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

Stainless Steel Construction
Dyno Tuned For Maximum Performance
Patented Delta Flow Technology
Made in the USA
Premium Flowmaster quality