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15-17 Mustang 2.3 EcoBoost & 3.7 V6 Flowmaster American Thunder Cat-Back Exhaust Kit PN: 817750

RRP: $1,024.73 (You save $224.78)

Product Description

This 3 Inch Flowmaster American Thunder Cat-Back exhaust is designed for 2015-17 Mustang 2.3 EcoBoost & 3.7 V6 Fastbacks and Convertibles.  It's construced from 409S Stainless Steel to resist corrosion and utilizes Flowmasters Outlaw Series Mufflers for an aggressive exterior sound.  The kit is black and features 4 Inch polished stainless steel tips.

Flowmaster's American Thunder Cat-back exhaust system for the 2015-2017 Ford Mustang is perfect for the person looking for an aggressive exterior sound level while maintaining a moderate interior sound with all of the performance benefits that you would expect from Flowmaster. This bolt on 409S stainless steel system for the 2.3L EcoBoost engine features 2.50in mandrel bent tubing that splits into dual 2.25in pipes for maximum performance and then runs into Outlaw Series mufflers. The system is finished off with dual 4.00in stainless steel tips that exit within the rear bumper valence. The exhaust system is manufactured in the USA and is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Note: This system fits hardtops and convertibles.


  • Stainless Steel Construction
  • Dyno proven performance gains
  • Mandrel bent 16 gauge aluminized tubing
  • Race Proven Outlaw Muffler Technology
  • Includes hangers and hardware for easy installation
  • Connects after factory catalytic converter
  • Lifetime limited warranty
  • Premium Flowmaster quality
  • Made in the USA


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