Serving All Your Racing Needs Since 1989
FLO-17421 #1
FLO-17421 #2
Logo Image

A/T CAT-BACK Exhaust Kit - 05-09 Mustang

FLOWMASTER  |  Part# FLO-17421


3 in stock


Highlights:

  • 2WD/4WD - 2WD
  • Bullet Point #1 - Mandrel bent 16 Gauge Tubing
  • Tip Diameter (in) - 3.5
  • Tip Quantity - 1
  • Bullet Point #2 - Aggressive Sound exterior exhaust tone
  • Bullet Point #3 - Includes hangers and hardware for easy installation
  • Bullet Point #4 - Dyno tuned for maximum performance
  • Color - Black
  • Exhaust Series - American Thunder
  • Exit Position - Single Rear Exit
  • Heat Shield - No
  • Inlet Diameter (in) - 2.5
  • Material - Aluminized Steel
  • Title - Flowmaster 17421 Axle-back System 409S - Single Rear Exit - American Thunder - Moderate Sound
  • Muffler Part Number - Kit Only
  • Muffler Quantity - 1
  • Muffler Series - 60 Series Delta Flow
  • Outlet Diameter (in) - 2.5
  • Single Dual - Single
  • Sound Level - Moderate Sound
  • System Type - Axle-back System
  • Tubing Diameter (in) - 2.5
  • 2005 to 2009 Ford Mustang with a V6 engine, includes convertible models.
  • Application - Fits 2005 to 2009 Ford Mustang with a V6 engine, includes convertible models.

AXLE-BACK System 409s - Single Rear Exit - American Thunder - Moderate Sound - Ford Mustang

$419.95


 





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.