Description
Upgrade your 2024–2026 Ford Mustang with the Flowmaster Outlaw Axle-Back Exhaust System, engineered for maximum performance and aggressive sound. Designed for both the 5.0-liter Mustang GT and the 2.3-liter EcoBoost equipped with the factory performance exhaust option, this system uses Outlaw series mufflers to deliver deep tone, increased airflow, and measurable dyno-proven gains of up to 17 horsepower and 17 lb-ft of torque at the rear wheels.
Constructed with 3.00-inch mandrel-bent 409 stainless steel tubing, the system provides enhanced durability and superior exhaust flow. Quad 4.00-inch black ceramic-coated stainless steel tips deliver a bold, custom appearance. Installation is straightforward thanks to the use of factory hanger locations, and all necessary hardware is included. Fits both coupe and convertible Mustang models and is backed by Flowmaster's Lifetime Limited Warranty.
Fitment (Separate Section — No Nested Bullets)
Fits the following vehicles:
• 2024–2026 Ford Mustang GT with 5.0-liter engine
• 2024–2026 Ford Mustang EcoBoost with 2.3-liter engine
• Compatible with factory performance exhaust option
• Fits coupe and convertible models
Features
• Max dyno gains of up to 17 hp and 17 lb-ft at the rear wheels
• Outlaw series mufflers for deep, powerful sound
• 409 stainless steel construction for long-term durability
• Uses factory hanger locations for simplified installation
• 3.00-inch 16-gauge mandrel-bent stainless steel tubing
• Quad 4.00-inch black ceramic-coated stainless steel tips
• Includes full hardware kit
• Lifetime Limited Warranty
Technical Specifications
• Brand: Flowmaster
• California Proposition 65: Yes
• CARB Compliant: Yes
• Category: Exhaust
• Clamping Type: Flat Band
• Clamps Included: Yes
• Emission Code: 5
• Exhaust Series: Outlaw
• Exhaust Tip Color: Black
• Exhaust Tip Connection: Welded
• Exhaust Tip Cut: Angled
• Exhaust Tip Diameter: 4.00 in
• Exhaust Tip Edge: Angle Cut
• Exhaust Tip Finish: Black Ceramic Coating
• Exhaust Tip Intercooled: No
• Exhaust Tip Length: 5.25 in
• Exhaust Tip Material: 304 Stainless Steel
• Exhaust Tip Quantity: 2
• Exhaust Tip Shape: Round
• Exhaust Tip Wall: Double Wall
• Exit Style: Dual Out Rear
• Finish: Painted
• Gasket or Seal Included: No
• Grade Type: Performance
• Hangers Included: Yes
• Inlet Type: Clamp-On
• Main Piping Diameter: 3.00 in
• Mount Type: Uses Factory Hangers
• Mounting Bracket Included: No
• Muffler Included: Yes
• Muffler Quantity: 2
• Muffler Series: Outlaw
• Muffler Type: Reflection
• Muffler Inlet Connection: Slip-Fit
• Muffler Inlet Inside Diameter: 3.00 in
• Muffler Inlet Outside Diameter: 3.13 in
• Muffler Outlet Diameter: 3.00 in
• Muffler Outlet Location: Center
• Muffler Outlet Quantity: 1
• Muffler Color: Black
• Muffler Finish: Black High-Temperature Paint
• Muffler Body Shape: Round
• Muffler Body Material: 409 Stainless Steel
• Muffler Overall Length: 6.50 in
• Tail Pipe Outlet Outside Diameter: 3.00 in
• Tail Pipe Quantity: 2
• Tail Pipe Tapered Outlet: No
• Tip Logo: Embossed
• Type: Axle-Back
• Valve Actuator Included: No (Reuse OEM)
• Valve Included: Yes
• Valve Type: OEM-Style Valves
• California Proposition 65 Chemical Name: Chromium (hexavalent compounds), Nickel (Metallic)
