Flowmaster Mustang EcoBoost American Thunder Cat-Back Exhaust System (2015-2020)

$94.05 (10%)
Part Number: 159 817750
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Flowmaster's American Thunder Cat-back exhaust system for the 2015 Ford Mustang is perfect for the driver 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 2.5" mandrel bent tubing that splits into dual 2.25" tailpipes for maximum performance and then runs into Outlaw Series mufflers.

The system is finished off with dual 4.0" stainless steel tips that exit with 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. This system fits both fastbacks and convertible EcoBoost Mustangs.

Product Features
  • Cat Converter Included: No
  • Exit Position: DOR
  • Mount Type: Uses factory hangers
  • Muffler Inlet and Outlet Diameter: 3
  • Muffler Shape: Oval
  • Tip Diameter: 4
  • Tip Finish: Polished
  • Tip Style: Double Wall
  • Muffler Color: Black

Purchase the Flowmaster American Thunder Cat-Back Exhaust System for your 2015 EcoBoost Mustang from Steeda Autosports today!

Product Benefits
  • Stainless Steel Construction
  • Dyno tuned for maximum performance
  • Race proven sound reduction technology
  • Moderate/Aggressive sound
  • Made in the USA

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

Fitment & Features


Manufacturer: Flowmaster

Installation Information:

Level of Difficulty: Medium
Install Time: About 1 1/2 Hours
Tools Required: Basic Shop Tools

Vehicle Fitment:

Fits Model Year: 2015, 2016, 2017, 2018, 2019, 2020
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