Description
Premium Exhaust System. The Flowmaster American Thunder Axle-Back Exhaust System enhances your Mustang’s performance and sound with an aggressive tone and improved horsepower and torque. Designed to replace the factory axle-back system, this setup delivers a distinct exhaust note while boosting overall driving enjoyment and performance.
Construction and Appearance. Crafted from durable 409 stainless steel with 3.00-inch mandrel bent tubing, this exhaust system ensures optimal flow and longevity. It features Super 44 series reflection-type mufflers with a black high-temperature paint finish and dual 4.00-inch polished 304 stainless steel exhaust tips, providing a custom and aggressive appearance.
Installation. Designed to fit using factory mounting locations with clamp-on inlet type and factory hangers, the system requires no cutting or drilling, making installation straightforward for most enthusiasts with basic tools.
Warranty. This product is backed by a lifetime limited warranty, ensuring long-term quality and customer confidence.
Application. Specifically designed to fit 2024-2026 Ford Mustang EcoBoost and GT models without active exhaust systems, supporting both coupe and convertible body styles.
Flowmaster 818162
CA Residents: WARNING: Cancer and Reproductive Harm
- Flowmaster American Thunder Axle-Back Exhaust System
- Part Number: 818162
- Fits 2024-2026 Ford Mustang GT 5.0-Liter And EcoBoost 2.3L Without Active Exhaust
- American Thunder Axle-Back 3.0-Inch Mandrel Bent 409 Stainless Steel Exhaust System
- 4.0-Inch Dual Polished 304 Stainless Steel Tips, Angled Cut, Double Wall, Embossed Logo
- Maximum Dyno Gains Of Up To 8 Hp And 6 Lb-Ft Measured At The Rear Wheels
- Uses Super 44 Series Reflection-Type Mufflers For An Aggressive Exhaust Tone And Increased Performance
- Black High-Temperature Paint Finish On Mufflers, Oval Shape
- Factory Mounting Locations Used For Easy Installation, Clamp-On Inlet Type
- Includes All Necessary Hardware With Flat Band Clamps
- Fits Both Coupe And Convertible Mustang Models
- Backed By Lifetime Limited Warranty
- Catalytic Converter Not Included
- Emission Code 5, California Proposition 65 And CARB Compliant
- Tail Pipe Outlet Diameter: 3.00 Inch, Dual Out Rear Exit Style
- Sound Level: Aggressive / Moderate
| Brand | Flowmaster |
| Exhaust System Type | Axle-Back System |
| Exhaust System Material | Stainless Steel |
| Exhaust System Tip Finish | Chrome, Polished |
| Exhaust System Tubing Diameter | 3.00 Inch |
| Exhaust Loudness | Aggressive |






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