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Flowmaster Force II Cat-Back Exhaust System 817701

Flowmaster Force II Cat-Back Exhaust System 817701
Flowmaster Force II Cat-Back Exhaust System 817701Flowmaster Force II Cat-Back Exhaust System 817701Flowmaster Force II Cat-Back Exhaust System 817701
$1,879.99 ea
NEWARRIVING SOONEstimated Ship Date 08/27/2025 (If Ordered Today)2 Available from HOLLEY PERFORMANCE PRODUCTS as of 08/08/2025
Model: 4005417
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 2
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The Force II® Cat-back exhaust system for 2014-2016 Ford F-250/F-350 Super Duty trucks with the 6.2L gas engine is perfect for the person looking for mild to moderate sound levels with all of the performance benefits that you would expect from Flowmaster®. This bolt-on emissions-legal system features a 50 Series HD™ performance muffler and dual mandrel-bent 3.00-inch stainless steel tailpipes for maximum performance and a deep powerful sound. The system comes with your choice of tailpipe exits and can be configured for either straight out the back under the rear bumper for a muscular look, or out the sides behind the rear wheels which is ideal for towing. The tailpipes are finished off with large 4.00-inch polished stainless steel tips and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for easy installation you can do at home. Note: Mounts after the factory resonator.
Features:
  • 50 Series HD Performance Muffler with Large 4.00-inch Internals
  • Choice of Side Exit or Straight out the Back Tailpipe Exit
  • Includes all Necessary Parts & Hardware
  • Dual 3.00-inch Mandrel-bent Tailpipes
  • Uses the Factory Hanger Locations
  • Stainless Steel Construction
  • Lifetime Limited Warranty
  • Large 3.50-inch Inlet Tubing
Fits 2014 -2016 Ford F-250 Super Duty and F-350 Super Duty with 6.2L V8 Gas Engine. NOTE: Mounts after the factory resonator.
Installation Notes:
Fits 2014 -2016 Ford F-250 Super Duty and F-350 Super Duty with 6.2L V8 Gas Engine. NOTE: Mounts after the factory resonator.
About Flowmaster

Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

Downloads:

Download Name File Size
fm_warranty_general.pdf88.58KB
817701.pdf504.98KB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine Fitment Notes
Ford F-250 Super Duty King Ranch 2014 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-250 Super Duty King Ranch 2015 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-250 Super Duty King Ranch 2016 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-250 Super Duty Lariat 2014 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-250 Super Duty Lariat 2015 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-250 Super Duty Lariat 2016 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-250 Super Duty Platinum 2014 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-250 Super Duty Platinum 2015 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-250 Super Duty Platinum 2016 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-250 Super Duty XLT 2014 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-250 Super Duty XLT 2015 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-250 Super Duty XLT 2016 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-250 Super Duty XL 2014 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-250 Super Duty XL 2015 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-250 Super Duty XL 2016 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty King Ranch 2014 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty King Ranch 2015 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty King Ranch 2016 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty Lariat 2014 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty Lariat 2015 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty Lariat 2016 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty Platinum 2014 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty Platinum 2015 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty Platinum 2016 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty XLT 2014 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty XLT 2015 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty XLT 2016 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty XL 2014 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty XL 2015 6.2L / 379 / V8 Mounts after the factory resonator.
Ford F-350 Super Duty XL 2016 6.2L / 379 / V8 Mounts after the factory resonator.

Specifications:

2WD/4WD RWD/4WD
California Proposition 65 Chemical Name Chromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 Required Yes
Catalytic Converter Included No
Color Black muffler, natural tubing
Emission Code 5
Exhaust Series Force II
Exit Position Dual Out Rear / Dual Out Side
Heat Shield No
Inlet Diameter (in) 3
Material 409 Stainless Steel
Mount Type Flanged
Muffler Part Number Kit Only
Muffler Quantity 1
Muffler Series 50 Series HD
Muffler Type Reflection
Outlet Diameter (in) 3
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Shape Oval
Single Dual Dual
Sound Level Moderate/Mild
System Type Cat-back
Tip Cut Angle
Tip Diameter (in) 4
Tip Edge Style Cut
Tip Finish Polished
Tip Length (in) 13
Tip Logo Embossed
Tip Material Stainless Steel
Tip Quantity 2
Tip Shape Round
Tubing Diameter (in) 3
Warranty Limited Lifetime (Lifetime)

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