Call us today to order your Flowmaster Outlaw Direct Fit Muffler!
Part # 818171
- Large 3.0-inch Mandrel bent pipes for superior flow and power
- Flowmaster Outlaw series muffler offers race proven performance
- Powerful exhaust note with an aggressive sound level that’s a perfect balance of sound and power
- Max power gains of 16 hp and 21 lb-ft at the rear wheels
- 409 stainless steel constuction for extra durability
- Connects directly to the factory dual tailpipes for a simple installation
- Lifetime limited Warranty
This Flowmaster® Outlaw Direct-Fit Muffler system for the 2021-2025 Ford F-150 trucks with the 2.7, 3.5 or 5.0-liter engines is manufactured using durable 409 stainless steel throughout and features 3.00-inch mandrel bent pipes for optimum exhaust gas flow. A Flowmaster Outlaw Series muffler is used for an aggressive sound level and maximum performance. Performance increases on the dyno revealed an increase of 16 hp and 21 ft/lbs. at the rear wheels. This system connects directly to the factory dual tail pipes and uses all the existing factory hangers. Includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.
Vehicle information below is not a guaranty of fitment. If you have fitment concerns, please call prior to ordering.
2021-2025 Ford F-150 King Ranch; 2021-2025 Ford F-150 Lariat; 2021-2023 Ford F-150 Limited; 2021-2025 Ford F-150 Platinum; 2021-2025 Ford F-150 Police Responder; 2021-2025 Ford F-150 SSV; 2024-2025 Ford F-150 STX; 2021-2025 Ford F-150 Tremor; 2021-2025 Ford F-150 XL; 2021-2025 Ford F-150 XLT
We are an authorized retailer for all Flowmaster products. The standard manufacturer warranty applies. If you ever have manufacturer warranty concerns or questions on products you purchased from us, we can help! We are a family owned and operated company that values all of our customers. We are here to assist with all future warranty concerns!
Warning: This product can expose you to chemicals, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov