24-26 Ford Mustang GT 5.0L Flowmaster 818161 Outlaw Cat-Back Exhaust System

Flowmaster 818161 Outlaw Cat-Back Exhaust System

The Flowmaster Outlaw® Cat-Back Exhaust System is designed for 2024-2026 Ford Mustang GT models equipped with the 5.0-liter engine and delivers an aggressive exhaust tone with performance-focused upgrades. This emissions-legal system features dual 3.0-inch stainless steel mandrel-bent tubing, a Scavenger® Series X-pipe, and race-proven Outlaw Series mufflers to enhance exhaust flow, throttle response, and overall driving excitement. Finished with quad 4.00-inch black ceramic coated tips, this exhaust system adds a modern performance appearance while providing the deep, powerful sound expected from Flowmaster. The system is designed for an easy bolt-on fit using factory hanger locations and includes the required hardware and installation instructions for a straightforward installation experience. This system does not fit vehicles equipped with Active Performance Exhaust and fits both coupe and convertible models.

Key Features

• Designed specifically for 2024-2026 Ford Mustang GT models with the 5.0-liter engine
• Outlaw Series performance mufflers provide a deep, aggressive exhaust tone and increased performance potential
• Scavenger® Series X-pipe improves exhaust tone and performance characteristics
• Dual 3.0-inch 16-gauge mandrel-bent stainless steel tubing helps maintain maximum exhaust flow
• 409 stainless steel construction provides durability and improved long-term corrosion resistance
• Quad 4.00-inch black ceramic coated tips provide a custom performance appearance
• Uses factory hanger locations for easier installation
• Includes necessary hardware and installation instructions

Benefits

• Helps improve throttle response, power, and mileage compared to the stock exhaust system
• Provides an aggressive exhaust note designed for drivers seeking a more powerful Mustang experience
• Offers performance-grade materials for long-lasting durability
• Creates a customized rear appearance with black ceramic coated exhaust tips
• Designed for a convenient bolt-on installation process without requiring major modifications
• Backed by Flowmaster's Lifetime Limited Warranty for added product confidence

Product Specifications

• Brand: Flowmaster
• Part Number: 818161
• Product Type: Cat-Back Exhaust System
• Exhaust Series: Outlaw
• Exhaust Type: Performance Cat-Back
• Main Piping Diameter: 3.00 inches
• Pipe Material: 409 Stainless Steel
• Pipe Color: Silver
• Exhaust Tip Diameter: 4.00 inches
• Exhaust Tip Material: 304 Stainless Steel
• Exhaust Tip Finish: Black Ceramic Coating
• Exhaust Tip Quantity: 2
• Exit Style: Dual Out Rear
• Muffler Quantity: 2
• Muffler Series: Outlaw
• Muffler Type: Reflection
• Muffler Body Material: 409 Stainless Steel
• Muffler Finish: Black High-Temperature Paint Finish
• Muffler Body Size: 4.00-inch diameter x 10.50-inch length x 4.00-inch width
• Sound Level: Aggressive / Moderate
• Mount Type: Uses Factory Hangers
• Clamping Type: Flat Band
• Clamps Included: Yes
• Catalytic Converter Included: No
• Emission Code: 5
• California Proposition 65: Yes

Install Difficulty level

This Flowmaster Outlaw Cat-Back Exhaust System is designed for an easy bolt-on installation using factory hanger locations. The kit includes the required hardware and installation instructions, making it a manageable upgrade for experienced home installers and professional technicians.

Vehicle Fitment

• 2024-2026 Ford Mustang GT 5.0-liter
• Body Styles: Coupe and Convertible
• Does not fit models equipped with Active Performance Exhaust

For questions about this product or to report product description inaccuracies, contact the MPT Performance experts at (407) 636-7077 or by email.