Exhaust› Exhaust Pipes, Systems and Components

Flowmaster

American Thunder Axle-Back Exhaust System 2005-2009 Ford Mustang With V6 Engine Fits Coupe And Convertibles Moderate Sound Flowmaster

$702.17

SKU: F00L 17421

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This aggressive sounding system is designed to replace the original rear mounted mufflers located behind the rear axle. 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.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandFlowmaster
Part NumberF00L 17421

Videos

2005-2009 Mustang V6 Flowmaster American Thunder Axle-Back Exhaust Sound Clip & Install

2005-2009 Mustang V6 Flowmaster American Thunder Axle-Back Exhaust Sound Clip & Install
The 3 Best Mustang Axleback Exhausts For 2005-2009 Mustang V6

The 3 Best Mustang Axleback Exhausts For 2005-2009 Mustang V6
2005-09 Ford Mustang 4.0L - American Thunder Exhaust System 17421

2005-09 Ford Mustang 4.0L - American Thunder Exhaust System 17421
V6 Ford Mustang Flowmaster Axleback Exhaust

V6 Ford Mustang Flowmaster Axleback Exhaust
2005 Ford Mustang V6...GT muffler vs Flowmaster American Thunder

2005 Ford Mustang V6...GT muffler vs Flowmaster American Thunder
2006 Mustang V6 4.0 Rev Flowmaster American Thunder

2006 Mustang V6 4.0 Rev Flowmaster American Thunder

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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