2024-2025
2015-2023
2010-2014
2005-2009
1999-2004
1994-1998
1979-1993
Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
- Customer Submitted:
- How to Install Axle-Back Exhaust on Your 2005-2009 V6 Mustang
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Find Axle-Back Exhaust for your Mustang
Flowmaster American Thunder Axle-Back Exhaust System (05-09 Mustang V6)Find parts that fit my vehicle
Item 18404
$377.96
484 Reviews
22 Answers
On Sale
-10% $377.96 Was $419.95
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Aggressive Flowmaster 60-Series Delta Flow Sound
- Polished Stainless Steel 3.5" Tip.
- Durable Aluminized Steel Construction.
- Includes One Flowmaster Muffler
- Fits 2005-2009 V6 Mustangs.
| Brand | Flowmaster |
| Exhaust System Type | Axle-Back System |
| Exhaust System Tip Finish | Chrome, Polished |
| Exhaust Loudness | Moderate |
Description
Flowmaster Sound . The Flowmaster American Thunder Axle-Back exhaust system will improve your 2005-2009 V6 Mustangs exhaust flow for an increase in power and a throatier muscular exhaust note with their patented chambered designed muffler.
Quality Construction. Constructed from durable 2.5" 16 gauge aluminized steel tubing for it's corrosion resistant properties the Flowmaster axle back features a specialty 5" X 10" chambered 60 Series Delta Flow American Thunder muffler with a 3.5" diameter polished stainless steel tip for muscle car looks and sound. As an added bonus the tip is embossed with the "Flowmaster" logo for true custom styling.
Fitment. This Flowmaster American Thunder Axle-Back exhaust system is designed to fit the 2005-2009 4.0L V6 Mustangs for both great looks and great sound.
Quality Construction. Constructed from durable 2.5" 16 gauge aluminized steel tubing for it's corrosion resistant properties the Flowmaster axle back features a specialty 5" X 10" chambered 60 Series Delta Flow American Thunder muffler with a 3.5" diameter polished stainless steel tip for muscle car looks and sound. As an added bonus the tip is embossed with the "Flowmaster" logo for true custom styling.
Fitment. This Flowmaster American Thunder Axle-Back exhaust system is designed to fit the 2005-2009 4.0L V6 Mustangs for both great looks and great sound.
Technical Note. Americanmuscle recommends adding the 2005+ Mustang 304 Stainless Steel Exhaust Hanger Kit from the drop down option above, to provide more strength, stability and a cleaner installed appearance. If you have a 2007 Mustang you may need the kit for correct installation.
Fitment:
DetailsFlowmaster 17421
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Muffler assembly
- (1) Exhaust Hanger
4.7
Customer Reviews (484)
Questions & Answers (22)
Will It Fit My Mustang
- V6 - 05, 06, 07, 08, 09
