Guaranteed 12/24 Delivery Still Available see item page for details! available on most items - Details

Talk to a Mustang Sales Tech
1-877-887-1105
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $4,000! Enter Daily

Find Axle-Back Exhaust for your Mustang

Flowmaster American Thunder Axle-Back Exhaust System (15-17 Mustang GT)Find parts that fit my vehicle

Item 384452
Product Image
Video Thumbnail
Review & Install - Flowmaster American Thunder Axle-Back Exhaust System Video   See All Product Videos (2)
Verify parts fit and get product recommendations.
Mustang Sales Techs: Connect Now M-F 8:30A-11P, Sat-Sun 8:30A-9P
Call now 1-877-887-1105 Chat Now
$745.16
484 Reviews 10 Answers
On Sale

-10% $745.16 Was $827.95

Ship to: 43215
Please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
Add to Cart
Save for later
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Add Local Installation

    $229.00
    Wards Auto Repair LLC
    11 miles away · 25 Reviews ·
    How it works
    Loading Indicator

    Frequently Bought Together

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features & Specs

      • Aggressive Flowmaster Super 44 Series Sound
      • Durable 409 Stainless Steel Construction
      • 2.5" Mandrel-Bent Tubing
      • 4" Polished 304 Stainless Steel Tips
      • Includes (2) Flowmaster Super 44 Series Mufflers
      • Compatible with Fastback and Convertible
      • Fits All 2015-2017 GT Mustangs

      Description

      Classic Flowmaster Sound. Add the unmistakable Flowmaster sound to your S550 GT with an American Thunder Series Axle-Back Exhaust System from AmericanMuscle. This axle-back system improves exhaust flow using Flowmaster's Super 44 Series mufflers for that classic aggressive muscle car exhaust note your high powered Pony deserves.

      Stainless Steel Construction. Constructed from durable 2.5" 16 gauge 409 stainless steel tubing for it's corrosion resistant properties, the Flowmaster American Thunder Axle-Back features Super 44 Series mufflers with massive 4.0" diameter polished 304 stainless steel tips for impressive muscle car looks and sound. As an added bonus, the tips are embossed with the "Flowmaster" logo for true custom styling.

      Cut & Clamp Installation. The installation of this Axle-Back Exhaust requires cutting and removing the factory muffler assemblies and clamping the new muffler assemblies in place. Clamps and instructions are provided.

      Application. This Flowmaster American Thunder Series Axle-Back Exhaust System is designed to fit the 2015-2017 GT Mustangs, including fastback and convertible models.

      Fitment:

      Details

      Flowmaster 817749

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (2) Muffler assemblies

      4.7

      Customer Reviews (484)

      Questions & Answers (10)

      Will It Fit My Mustang

      • GT - 15, 16, 17

          Related Mustang Categories