Description
Performance Exhaust System. The Flowmaster Outlaw Axle-Back Exhaust System with polished tips delivers an aggressive exhaust tone and notable power gains. Designed to replace the factory non-valved axle-back exhaust, it improves flow and performance while enhancing the vehicle’s sound and appearance.
Construction and Appearance. Crafted from durable 409 stainless steel tubing with mandrel bends, the system ensures maximum exhaust flow and corrosion resistance. It features dual 4.00-inch polished 304 stainless steel tips for a refined, custom look that complements the vehicle’s design.
Installation. Installation is straightforward, utilizing factory hanger locations and including all necessary hardware. No modifications or drilling are required, allowing for a hassle-free at-home installation.
Warranty. Backed by a lifetime limited warranty, providing long-term assurance for quality and durability.
Application. Designed specifically for 2024-2026 Mustang EcoBoost 2.3L and GT 5.0L models without active valve exhaust systems.
Flowmaster 818163
CA Residents: WARNING: Cancer and Reproductive Harm
- Flowmaster Outlaw Axle-Back 3.00-Inch Mandrel Bent 409 Stainless Steel Exhaust System
- Dual 4.00-Inch Polished 304 Stainless Steel Tips without Valves
- Aggressive Exhaust Tone with Improved Performance
- Max Dyno Gains of Up to 8 Hp and 7 Lb-Ft at Rear Wheels
- Uses Factory Mounting Locations for Easy Installation
- Includes All Necessary Hardware
- Fits 2024-2026 Mustang EcoBoost 2.3L and GT 5.0L Models Without Active Valve Exhaust Systems
| 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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