Description
The Flowmaster Outlaw® Cat-back Exhaust System for the 2018–2023 Ford Mustang GT 5.0L (coupes & convertibles) is engineered for Mustang enthusiasts seeking a very aggressive exhaust tone both inside and outside the vehicle. This emissions-legal, bolt-on system provides maximum performance and power gains, while delivering the unmistakable Flowmaster sound.
The system features:
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Dual 3.00-inch mandrel-bent stainless steel tubing
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Exclusive Scavenger® Series X-pipe for deep, unique tone and improved power
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Dual race-proven Outlaw Series mufflers
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Quad 4.00-inch carbon fiber exhaust tips for a modern, aggressive appearance
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Improved throttle response, power, and mileage
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Direct bolt-on installation using factory hanger locations
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Includes all necessary hardware and detailed installation instructions
Important Note: This system does NOT fit Mustangs with the Factory Active Performance Exhaust option. Those vehicles use system #817800.
Key Features
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Aggressive interior and exterior exhaust tone
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Dyno-tuned for maximum performance
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Exclusive Scavenger Series X-pipe design
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Dual Outlaw Series mufflers
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Quad 4.00-inch carbon fiber exhaust tips
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Full stainless steel construction
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Uses factory hanger locations for direct installation
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Includes all hardware and instructions
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Lifetime Limited Warranty
Vehicle Fitment
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2018 Ford Mustang GT 5.0L Coupe – without factory active exhaust valves
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2018 Ford Mustang GT 5.0L Convertible – without factory active exhaust valves
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2019 Ford Mustang GT 5.0L Coupe – without factory active exhaust valves
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2019 Ford Mustang GT 5.0L Convertible – without factory active exhaust valves
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2020 Ford Mustang GT 5.0L Coupe – without factory active exhaust valves
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2020 Ford Mustang GT 5.0L Convertible – without factory active exhaust valves
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2021 Ford Mustang GT 5.0L Coupe – without factory active exhaust valves
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2021 Ford Mustang GT 5.0L Convertible – without factory active exhaust valves
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2022 Ford Mustang GT 5.0L Coupe – without factory active exhaust valves
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2022 Ford Mustang GT 5.0L Convertible – without factory active exhaust valves
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2023 Ford Mustang GT 5.0L Coupe – without factory active exhaust valves
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2023 Ford Mustang GT 5.0L Convertible – without factory active exhaust valves
Exhaust System Specifications
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Brand: Flowmaster
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Series: Outlaw
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Type: Cat-Back Exhaust System
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Part Type: Exhaust System
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Category: Exhaust
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Grade Type: Performance
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Sound Level: Aggressive
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CARB Compliant: Yes
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California Proposition 65: Yes (Chromium (hexavalent compounds))
Piping Specifications
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Main Piping Diameter: 3.00 inches
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Inlet Type: Clamp-On
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Pipe Material: 409 Stainless Steel
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Pipe Color: Silver
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Finish: Natural
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Mount Type: Uses factory hangers
Muffler Specifications
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Muffler Series: Outlaw
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Muffler Type: Reflection
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Quantity: 2
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Body Material: 409 Stainless Steel
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Body Shape: Round
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Body Height: 4.00 inches
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Body Width: 4.00 inches
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Body Length: 6.50 inches
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Finish: Black High-Temperature Paint
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Inlet Connection: Slip-Fit
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Inlet Diameter: 3.00 inches
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Inlet Location: Center
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Outlet Diameter: 3.00 inches
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Outlet Location: Center
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Overall Length: 49.50 inches
Exhaust Tip Specifications
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Tip Quantity: 4
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Tip Diameter: 4.00 inches
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Tip Material: Carbon Fiber
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Tip Finish: Carbon Fiber
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Tip Shape: Round
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Tip Wall: Double Wall
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Tip Cut: Angled
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Tip Connection: Welded
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Exit Style: Dual Out Rear
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Tip Logo: Printed
