Description
The Flowmaster Outlaw Axle-Back Exhaust System is engineered for 2015-2023 Ford Mustang coupes and convertibles equipped with the 2.3L EcoBoost or 3.7L engine. Designed for drivers who want maximum sound and performance, this system delivers an aggressive exterior exhaust tone with a noticeable interior presence.
This emissions-legal, bolt-on axle-back exhaust features large 3.00-inch mandrel-bent stainless steel tubing that flows into a pair of race-proven Outlaw Series reflection mufflers. The system exits at the rear and is finished with dual 4.00-inch black ceramic coated stainless steel exhaust tips, providing an aggressive and modern appearance.
Using factory hanger locations, the system installs easily and includes all required parts, hardware, and instructions. Constructed entirely from stainless steel and backed by Flowmaster’s Lifetime Limited Warranty, the Outlaw axle-back exhaust system is built for durability, performance, and unmistakable Flowmaster sound.
Key Features
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Aggressive exterior exhaust sound
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Noticeable interior exhaust tone
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Race-proven Outlaw Series reflection mufflers
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3.00-inch mandrel-bent stainless steel tubing
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Dual rear exit axle-back configuration
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Large 4.00-inch black ceramic coated stainless steel exhaust tips
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Uses factory hanger locations
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Full stainless steel construction
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Dyno tuned for maximum performance
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Bolt-on installation with included hardware
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Lifetime Limited Warranty
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Flowmaster quality
Fitment (Written Separately)
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Year: 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
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Make: Ford
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Model: Mustang
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Engine: 2.3L EcoBoost, 3.7L
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Body Style: Coupe, Convertible
Technical Specifications
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Brand: Flowmaster
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Exhaust Series: Outlaw
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Type: Axle-Back
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Product Type: Exhaust System
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Part Type: Exhaust System
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Category: Exhaust
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Sub Category: Exhaust and Tail Pipes
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Sound Level: Aggressive
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Grade Type: Performance
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CARB Compliant: Yes
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California Proposition 65: Yes
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California Proposition 65 Chemical Name: Chromium (hexavalent compounds)
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Catalytic Converter Included: No
Piping & Installation Details
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Main Piping Diameter: 3.00 IN
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Inlet Type: Clamp-On
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Clamping Type: Flat Band
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Clamps Included: Yes
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Gasket Or Seal Included: No
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Hangers Included: Yes
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Mount Type: Uses Factory Hangers
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Mounting Bracket Included: No
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Heat Shield Included: No
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Spring Bolt Kit Included: No
Muffler Specifications
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Muffler Series: Outlaw
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Muffler Type: Reflection
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Muffler Quantity: 2
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Muffler Body Material: 409 Stainless Steel
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Muffler Body Shape: Round
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Muffler Body Length: 10.50 IN
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Muffler Body Width: 4.00 IN
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Muffler Body Height: 4.00 IN
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Muffler Body Diameter: 4.00 IN
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Muffler Finish: Black High-Temperature Paint Finish
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Muffler Color: Black
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Muffler Included: Yes
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Muffler Inlet Connection: Slip-Fit
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Muffler Inlet Inside Diameter: 3.00 IN
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Muffler Inlet Outside Diameter: 3.13 IN
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Muffler Inlet Location: Center
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Muffler Outlet Diameter: 3.00 IN
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Muffler Outlet Location: Center
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Muffler Outlet Quantity: 2
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Muffler Overall Length: 10.50 IN
Exhaust Tip Specifications
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Exhaust Tip Quantity: 2
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Exhaust Tip Diameter: 4.00 IN
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Exhaust Tip Length: 5.25 IN
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Exhaust Tip Material: 304 Stainless Steel
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Exhaust Tip Finish: Black Ceramic Coating
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Exhaust Tip Color: Black
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Exhaust Tip Shape: Round
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Exhaust Tip Cut: Angled
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Exhaust Tip Edge: Angle Cut
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Exhaust Tip Wall: Double Wall
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Exhaust Tip Connection: Welded
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Exhaust Tip Resonated: No
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Exhaust Tip Intercooled: No
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Tip Logo: Embossed
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Exit Style: Dual Out Rear
