2017-19 Ford F-150 Raptor 3.5L Ecoboost - Flowmaster FlowFX Direct-fit Muffler 717776YouTube Button

Flowmaster FlowFX Direct Fit Muffler

2017-2019 Ford F-150 Raptor with 3.5L Ecoboost engine.

PART# 717776

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Fits 2017-2019 Ford F-150 Raptor Trucks with 3.5L Ecoboost engine.


Designed as a direct-fit replacement muffler for 2017-2019 Ford F-150 Raptor trucks with 3.5L Ecoboost engine. This easy to install muffler delivers a moderate to aggressive interior and exterior sound level that will appeal to anyone looking for a deep powerful exhaust note. Features include all 3.00-inch mandrel-bent stainless steel tubing mated to a specially designed dual 3.00-inch inlet/outlet "straight-through" FlowFX muffler for great sound and maximum performance. Utilizes the factory hanger locations and connections without any cutting or welding and can be installed in less than 30 minutes. Includes all necessary parts, hardware and easy to follow instructions.


  • FlowFX "Straight-through" Performance Muffler
  • Bright 409s Stainless Steel Construction
  • Moderate to Aggressive Exhaust Tone
  • Uses the Factory Hanger Locations
  • Quick and Easy Installation
  • Lifetime Limited Warranty
  • Direct-fit System


California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Catalytic Converter IncludedNo
Emission Code5
Exhaust SeriesFlowFX
Exit PositionDual Out Rear
Heat ShieldNo
Mount TypeUses Factory Hangers
Muffler Body Length (in)13
Muffler ColorNatural
Muffler FinishBrushed
Muffler Inlet Diameter (in)3
Muffler Inlet LocationDual
Muffler Material409S Stainless Steel
Muffler Outlet Diameter (in)3
Muffler Outlet LocationDual
Muffler Overall Length (in)56
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesFlowFX
Muffler ShapeOval
Muffler TypeAbsorption
Product TypeExhaust System
Single DualDual
Sound LevelModerate/Aggressive
System TypeDirect-Fit Muffler
Tubing Diameter (in)3
Tubing Material409S Stainless Steel
Part Number717776


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Fits 2017-2019 Ford F-150 Raptor Trucks with 3.5L Ecoboost engine.


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