Flowmaster 17421 Axle-Back System for 2005-2009 Ford Mustang

Price:   $248.97

Flowmaster 17421 Axle-back System 409S - Single Rear Exit - American Thunder® - Moderate Sound

This aggressive sounding system is designed to replace the original rear mounted mufflers located behind the rear axle. With easy fit in mind, the system is mandrel bent for maximum performance and includes specially selected mufflers to support the performance image of the car. As an America Thunder system, it delivers an aggressive exterior tone with moderate interior sound level that is suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, the system includes all necessary parts and hardware for easy installation.

Features:

  • Mandrel bent 16 gauge aluminized tubing
  • Aggressive exterior exhaust tone
  • Includes hangers and hardware for easy installation
  • Dyno tuned for maximum performance
  • Premium Flowmaster quality

Product Specification:

  • 2WD/4WD: 2WD
  • Exhaust series: American Thunder®
  • Exit Position: Single Rear Exit
  • Finish: Black
  • Heat shield: None
  • Inlet diameter (inches): 2.50
  • Material: Aluminized Steel
  • Muffler part number: Kit Only
  • Muffler quantity: 1
  • Muffler series: 60 Series Delta Flow
  • Outlet diameter (inches): 2.50
  • Single/dual: Single
  • Sound level: Moderate Sound
  • System type: Axle-back System
  • Tip diameter (inches): 3.50
  • Tip quantity: 1
  • Tubing diameter (inches): 2.50

Fitments:

  • 2005-2009 Ford Mustang Base V6, 4.0L

Note: 2005 to 2009 Ford Mustang with a V6 engine, includes convertible models.


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  • Model: 17421
  • Shipping Weight: 22lbs
  • 3 Units in Stock
  • Manufactured by: Flowmaster




This product was added to our catalog on Friday 22 May, 2015.