Fits 2021-2025 Ford F-150 with 2.7, 3.5 and 5.0-liter non-PowerBoost engines with factory dual tailpipes
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.
  • 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

Information:

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.

Application Summary:

Year Make/Model
2021-2025 Ford F-150
Attributes
Body Height 4.00
Body Length 6.50
Body Material 409 Stainless Steel
Body Width 9.50
Brand Flowmaster
California Proposition 65 Yes
Category Exhaust
Clamping Type Flat Band
Clamps Included Yes, Yes
Country of Origin (Primary) US
Emission Code 5, 5
Exhaust Series Outlaw, Outlaw
Exit Position OEM, OEM
Finish High-Temperature Paint
GTIN 00090127846599
Gasket Or Seal Included No
Grade Type Performance
Hangers Included Yes, Yes
Harmonized Tariff Code (Schedule B) 8708925000
Hazardous Material Code N
Heat Shield Attached No
Inlet Inside Diameter 2.75, 2.75
Inlet Location Center
Inlet Outside Diameter 2.88, 2.88
Inlet Quantity 1
Inlet Type Slip-Fit
Life Cycle Status Code Available to Order
Main Piping Diameter 3.00, 3.00
Material 409 Stainless Steel, 409 Stainless Steel
Mount Type Uses factory hangers, Uses factory hangers
Muffler Body Length 6.50, 6.50
Muffler Color Black, Black
Muffler Finish Black High-Temperature Paint Finish, Black High-Temperature Paint Finish
Muffler Inlet Diameter 3.00, 3.00
Muffler Inlet Location Center, Center
Muffler Material 409 Stainless Steel
Muffler Outlet Diameter 3.00, 3.00
Muffler Outlet Location Dual, Dual
Muffler Overall Length 12.20, 12.20
Muffler Part Number Kit Only, Kit Only
Muffler Quantity 1, 1
Muffler Series 10 Series, 10 Series
Muffler Shape Oval
Muffler Type Chambered
Outlet Inside Diameter 3.00, 3.00
Outlet Location Dual, Dual
Outlet Outside Diameter 3.13, 3.13
Outlet Quantity 2
Outlet Type Slip-Fit
Overall Length 55.20
Pipe Material 409 Stainless Steel, 409 Stainless Steel
Product Type Exhaust System, Exhaust System
SDR Required Flag N
Single Dual Dual, Dual
Sound Level Aggressive, Aggressive
Spring Bolt Kit Included No, No
Sub Category Mufflers, Mufflers
System Type Direct-fit Muffler, Direct-fit Muffler
Tip Style Not Included, Not Included
Tubing Diameter 3.00, 3.00
Tubing Material 409 Stainless Steel, 409 Stainless Steel
Type Direct-fit Muffler, Direct-fit Muffler
Warning California Proposition 65, California Proposition 65
part type Exhaust Muffler Assembly, Exhaust Muffler Assembly

Flowmaster 818171 Flowmaster Outlaw Direct Fit Muffler

Product Information

  • Brand: Flowmaster
  • Product Number: 818171
  • Availability: Call for Availability

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