Flowmaster
Flowmaster 818164 Outlaw Axle-Back Exhaust System
Flowmaster 818164 Outlaw Axle-Back Exhaust System
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Description & Features
Flowmaster 818164 Outlaw Axle-Back Exhaust System
Flowmaster introduces our Outlaw Axle-back exhaust system for the 2024-2026 Ford Mustang GT with the 5.0-liter engine or EcoBoost 2.3-liter engine and the factory performance exhaust option. This system uses the Outlaw style mufflers for an aggressive exhaust tone and increased performance. Maximum dyno gains of up to 17 hp and 17 lb-ft were measured at the rear wheels. 3.00-inch mandrel bent 409 stainless steel tubing is used to maximize exhaust flow and durability. Quad 4.00-inch polished stainless steel tips are used to add a custom look to this iconic vehicle. All of the necessary hardware is included and factory mounting locations are used for an easy installation. Fits both coupes and convertibles. Backed by Flowmaster's Lifetime Limited Warranty.
- Max increases of up to 17 hp and 17 lb-ft over the stock exhaust at the rear wheels
- Outlaw series performance muffler offers a deep powerful sound and increased performance
- 409 stainless steel construction delivers extra durability and improved long-term corrosion resistance
- Uses factory hanger locations for easy installation
- 00-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power
- Includes all necessary hardware for an at home installation
- Quad 4.00-inch polished stainless steel tips add a custom look
- Lifetime Limited Warranty
Specifications
| Brand | Flowmaster |
| California Proposition 65 | Yes |
| California Proposition 65 Chemical Name | Nickel (Metallic) |
| CARB (California) Compliant | Yes |
| Catalytic Converter Included | No |
| Catalytic Converter Quantity | 0 |
| Category | Exhaust |
| Clamping Type | Flat Band |
| Clamps Included | Yes |
| Emission Code | 5 |
| Exhaust Series | Outlaw |
| Exhaust Tip Color | Silver |
| Exhaust Tip Connection | Welded |
| Exhaust Tip Cut | Angled |
| Exhaust Tip Diameter | 4.00 |
| Exhaust Tip Edge | Angle Cut |
| Exhaust Tip Finish | Polished |
| Exhaust Tip Intercooled | No |
| Exhaust Tip Length | 5.25 |
| Exhaust Tip Material | 304 Stainless Steel |
| Exhaust Tip Quantity | 2 |
| Exhaust Tip Resonated | No |
| 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 |
| Mount Type | Uses Factory Hangers |
| Mounting Bracket Included | No |
| Muffler (Left) Body Height | 4.00 |
| Muffler (Left) Body Length | 6.50 |
| Muffler (Left) Body Width | 4.00 |
| Muffler (Left) Type | Reflection |
| Muffler (Right) Body Height | 4.00 |
| Muffler (Right) Body Length | 6.50 |
| Muffler (Right) Body Width | 4.00 |
| Muffler (Right) Type | Reflection |
| Muffler Body Diameter | 4.00 |
| Muffler Body Height | 4.00 |
| Muffler Body Length | 6.50 |
| Muffler Body Material | 409 Stainless Steel |
| Muffler Body Shape | Round |
| Muffler Body Width | 4.00 |
| Muffler Color | Black |
| Muffler Finish | Black High-Temperature Paint Finish |
| Muffler Flanged Inlet | No |
| Muffler Flanged Outlet | No |
| Muffler Included | Yes |
| Muffler Inlet Connection | Slip-Fit |
| Muffler Inlet Inside Diameter | 3.00 |
| Muffler Inlet Location | Center |
| Muffler Inlet Outside Diameter | 3.13 |
| Muffler Outlet Diameter | 3.00 |
| Muffler Outlet Location | Center |
| Muffler Outlet Quantity | 1 |
| Muffler Overall Length | 6.50 |
| Muffler Part Number | Kit Only |
| Muffler Quantity | 2 |
| Muffler Series | Outlaw |
| Muffler Type | Reflection |
| part type | Exhaust System |
| Pipe Color | Silver |
| Pipe Material | 409 Stainless Steel |
| Product Type | Exhaust System |
| Sound Level | Aggressive |
| Spring Bolt Kit Included | No |
| Sub Category | Exhaust and Tail Pipes |
| Tail Pipe Outlet Outside Diameter | 3.00 |
| Tail Pipe Quantity | Dual |
| 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 |
| Warning | California Proposition 65 |
Packaging Information
Weight: 46 lbs
Dimensions: 62.5 x 18.5 x 15 IN
Safety
⚠ WARNING: This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information visit www.P65Warnings.ca.gov
Warranty
Installation Instructions
⚠ Fitment Notes
- Polished Tip Finish, Fits models with factory valved exhaust only
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Vehicle Fitment
Vehicle Fitment
- 2024-2026 Ford Mustang Dark Horse
- 2024-2025 Ford Mustang Dark Horse Premium
- 2024-2026 Ford Mustang EcoBoost
- 2024-2026 Ford Mustang EcoBoost Premium
- 2024-2026 Ford Mustang GT
- 2024-2026 Ford Mustang GT Premium
