24-26 Ford Mustang GT 5.0 V8 / 2.3L V6 Flowmaster 818162 American Thunder Axle-Back Exhaust System

Flowmaster American Thunder Axle-Back Exhaust System
Part Number: 818162

Flowmaster’s American Thunder Axle-Back Exhaust System is designed for the 2024-2026 Ford Mustang GT 5.0L V8 and EcoBoost 2.3L engines equipped with the standard factory non-valved exhaust system. This performance exhaust upgrade delivers an aggressive yet refined exhaust tone through Super 44 Series mufflers while improving exhaust flow and rear-wheel performance. With durable 409 stainless steel construction, mandrel-bent 3.00-inch tubing, and dual polished 4.00-inch tips, this axle-back system enhances the Mustang’s appearance, sound, and driving experience. Factory mounting locations and included installation hardware make this system a straightforward upgrade for Mustang enthusiasts looking for premium exhaust performance.

Key Features

• Designed for 2024-2026 Ford Mustang GT 5.0L V8 and EcoBoost 2.3L models with standard factory non-valved exhaust systems.
• Super 44 Series performance mufflers provide a deep, powerful, aggressive exhaust sound.
• Maximum dyno gains of up to 8 hp and 6 lb-ft over the stock exhaust at the rear wheels.
• 3.00-inch 16-gauge mandrel-bent 409 stainless steel tubing helps maximize exhaust flow.
• Dual 4.00-inch polished stainless steel exhaust tips provide a custom performance appearance.
• Uses factory hanger locations for simplified installation.
• Includes necessary hardware for installation.
• Fits both coupe and convertible Mustang models.

Benefits

• Provides an upgraded exhaust note with the iconic Flowmaster American Thunder performance sound.
• Improves exhaust flow to support enhanced performance from the factory engine platform.
• 409 stainless steel construction offers durability and improved long-term corrosion resistance.
• Creates a more aggressive rear appearance with polished dual exhaust tips.
• Maintains a clean installation using factory mounting locations.
• Backed by Flowmaster’s Lifetime Limited Warranty for long-term confidence.

Product Specifications

• Brand: Flowmaster
• Part Number: 818162
• Product Type: Axle-Back Exhaust System
• Exhaust Series: American Thunder
• Category: Exhaust
• Grade Type: Performance
• Main Piping Diameter: 3.00 inches
• Pipe Material: 409 Stainless Steel
• Muffler Material: 409 Stainless Steel
• Muffler Series: Super 44
• Muffler Type: Reflection
• Muffler Finish: Black High-Temperature Paint Finish
• Muffler Color: Black
• Muffler Quantity: 2
• Muffler Dimensions: 4.00 inches height x 10.25 inches length x 9.50 inches width
• Exhaust Tip Quantity: 2
• Exhaust Tip Diameter: 4.00 inches
• Exhaust Tip Material: 304 Stainless Steel
• Exhaust Tip Finish: Polished
• Exhaust Tip Color: Silver
• Exhaust Tip Shape: Round
• Exhaust Tip Style: Dual Out Rear
• Tail Pipe Quantity: 2
• Sound Level: Aggressive / Moderate
• Valve Included: No
• Catalytic Converter Included: No
• Mount Type: Uses Factory Hangers
• Clamps Included: Yes
• California Proposition 65: Yes
• Emission Code: 5

Install Difficulty level

This Flowmaster American Thunder Axle-Back Exhaust System is designed for an easy installation using factory hanger locations and included hardware. The clamp-on design allows for a straightforward upgrade for enthusiasts performing an at-home installation.

Vehicle Fitment

• 2024-2026 Ford Mustang GT — 5.0L V8 Engine
• 2024-2026 Ford Mustang EcoBoost — 2.3L Engine

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