Flowmaster Mustang Outlaw Axle-Back System 409S - Dual Rear Exit (2011-2012)

Flowmaster Mustang Outlaw Axle-Back System 409S - Dual Rear Exit (2011-2012)
$52.00 (10%)

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159 817516


Flowmaster's race oriented Outlaw Cat-back systems are designed to mount behind the OEM catalytic converters for 50 state emissions legality. These systems are mandrel bent for maximum performance and include specially selected mufflers. Outlaw systems deliver an aggressive interior and exterior tone and are suited to the enthusiast who wants the most aggressive components they can purchase. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.


  • Stainless steel construction
  • Dyno proven performance gains
  • Super aggressive sound
  • Lifetime limited warranty
  • Made in the USA
  • Premium Flowmaster quality

CA Residents: Cancer and Reproductive Harm WARNING www.p65warnings.ca.gov.

Fitment & Features


Manufacturer: Flowmaster

Installation Information:

Level of Difficulty: Tech Recommended
Install Time: About 2 Hours
Tools Required: Basic Shop Tools

Vehicle Fitment:

Fits Model Year: 2011, 2012
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