Description
The Flowmaster American Thunder® Axle-Back Exhaust System is designed for 2015–2017 Ford Mustang GT coupes and convertibles with the 5.0L engine. This system delivers an aggressive exterior tone with moderate interior resonance, combining Flowmaster’s performance engineering with durable materials and a refined appearance.
Constructed from 409 stainless steel, the system features 3.00-inch mandrel-bent tubing flowing into dual Super 44™ Series chambered mufflers for a deep, powerful exhaust sound. Large 4.00-inch polished stainless steel tips add a premium finishing touch. Installation is easy using factory hanger locations, and all necessary hardware is included for a bolt-on, at-home installation. Backed by Flowmaster’s Lifetime Limited Warranty, this axle-back exhaust enhances both performance and style for your Mustang GT.
Features and Benefits
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Super 44™ Series chambered mufflers for deep, aggressive exterior tone
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3.00-inch mandrel-bent tubing for improved exhaust flow and performance
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Large 4.00-inch polished stainless steel tips for a refined look
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Dual rear exit design enhances visual appeal and sound
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Constructed from durable 409 stainless steel for long-lasting corrosion resistance
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Uses factory hanger locations for easy bolt-on installation
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Includes all necessary hardware for at-home installation
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Aggressive-to-moderate sound level inside and outside the vehicle
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Dyno-tuned for maximum performance
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Lifetime Limited Warranty
Specifications
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Exhaust Type: Axle-Back
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Muffler Series: Super 44™
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Muffler Type: Chambered
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Muffler Dimensions: 13.25" L × 9.50" W × 4.00" H
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Muffler Finish: Black high-temperature paint
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Main Piping Diameter: 3.00"
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Inlet: Slip-fit, 3.00" inside diameter
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Outlet: Dual 3.00" polished stainless steel tips
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Tip Material: 304 stainless steel, embossed logo
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Sound Level: Aggressive / Moderate
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Clamps/Hangers Included: Yes
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Mounting Bracket Included: No
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CARB Compliant: Yes (Emission Code 5)
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Prop 65 Warning: Chromium (hexavalent compounds)
Vehicle Fitment
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2015–2017 Ford Mustang GT 5.0L Coupe
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2015–2017 Ford Mustang GT 5.0L Convertible
The Flowmaster American Thunder Axle-Back Exhaust System delivers aggressive performance, a commanding exhaust tone, and polished stainless steel styling, making it the perfect upgrade for your 2015–2017 Ford Mustang GT 5.0L.
