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Flowmaster
Outlaw Cat-Back Exhaust System Fits 2024-2026 Ford Mustang Gt 5.0-Liter, Outlaw Cat-Back 3.0-Inch Stainless Steel Exhaust System, 4.0-Inch Dual Black Tips Flowmaster
SKU: F00L 818161
Moderate — 2–4 hours
Description
Part #: 818161
The Flowmaster Outlaw Cat-back exhaust system for the 2024-2026 Ford Mustang GT 5.0-liter is perfect for the person looking for a very aggressive exhaust tone inside and outside the vehicle, with all of the performance benefits that you would expect from Flowmaster. This easy to bolt-on emissions-legal system features dual 3.0-inch stainless steel mandrel-bent tubing and our exclusive Scavenger Series X-pipe for a deep unique tone and maximum power.Other features include a pair of our race-proven Outlaw Series mufflers finished off with quad 4.00-inch black ceramic coated tips for a modern look. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, this system includes all necessary parts, hardware and installation instructions. This system does not fit models with the Active Performance Exhaust option. Fits both coupes and convertibles. Backed by Flowmaster's Lifetime Limited Warranty.Max increases of up to 18 hp and 18 lb-ft over the stock exhaust at the rear wheelsOutlaw series performance muffler offers a deep powerful sound and increased performance409 stainless steel construction delivers extra durability and improved long-term corrosion resistanceUses factory hanger locations for easy installation3.0-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better powerIncludes all necessary hardware for an at home installationDual 4.00-inch black ceramic coated steel tips add a custom lookIncludes Scavenger Series X-Pipe for maximum tone and performanceLifetime Limited Warranty
Fitment
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Specifications
| Brand | Flowmaster |
| Part Number | F00L 818161 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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