Flowmaster 818171 Outlaw Direct Fit Muffler

Flowmaster 818171 Outlaw Direct Fit Muffler

This Flowmaster® Outlaw Direct-Fit Muffler system for the 2021-2026 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.

• 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

Weight: 33 lbs
Dimensions: 58.5 x 16.25 x 11.25 IN

⚠ 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

View Warranty (PDF)

View Installation Instructions (PDF)

• Only fits models with factory dual tailpipes, Does not fit PowerBoost Hybrid or models with OEM active exhaust o
• This system replaces ONLY the Factory muffler and over axle pipes and reuses the factory dual tail pipes and tips. Does not fit PowerBoost hybrid models. Does not fit models with OEM active exhaust option.