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Flowmaster 2015-2020 Ford F-150 Outlaw Cat-Back Exhaust System 817756

Flowmaster 2015-2020 Ford F-150 Outlaw Cat-Back Exhaust System 817756
Flowmaster 2015-2020 Ford F-150 Outlaw Cat-Back Exhaust System 817756Flowmaster 2015-2020 Ford F-150 Outlaw Cat-Back Exhaust System 817756Flowmaster 2015-2020 Ford F-150 Outlaw Cat-Back Exhaust System 817756Flowmaster 2015-2020 Ford F-150 Outlaw Cat-Back Exhaust System 817756Flowmaster 2015-2020 Ford F-150 Outlaw Cat-Back Exhaust System 817756Flowmaster 2015-2020 Ford F-150 Outlaw Cat-Back Exhaust System 817756
$1,670.99 ea
NEWARRIVING SOONEstimated Ship Date 05/22/2025 (If Ordered Today)10 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/03/2025
Model: 4005455
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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The new Flowmaster® Outlaw® Cat-back exhaust system for the 2015-2020 Ford F-150 trucks is perfect for the person looking for an aggressive sound level outside and inside the truck with all of the performance benefits that you would expect from Flowmaster. This bolt-on emissions-legal system is custom built for trucks with the 2.7L or 3.5L Ecoboost engines and features a race proven Outlaw Series muffler and a large mandrel-bent 4.00-inch mandrel-bent tailpipe for maximum performance and tone. The system is constructed from 409S stainless steel and utilizes a large 5.00-inch black ceramic coated stainless steel tip. The exhaust system is covered by Flowmaster's Lifetime Limited Warranty, is designed for an easy fit and includes all necessary parts and hardware for an easy installation you can do at home. Note: Fits all 2/4 wd.
Features:
  • Dyno Tuned For Maximum Performance
  • Uses the Factory Hanger Locations
  • All Stainless Steel Construction
  • Race-proven Outlaw Muffler
  • Quick and Easy Installation
  • Lifetime Limited Warranty
  • Flowmaster Quality
Fits all 2/4 WD and wheelbases, Except Std Cab/Short Bed and Ford Raptor.
Installation Notes:
Fits all 2/4 WD and wheelbases, Except Std Cab/Short Bed and Ford Raptor.
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_2_5_18.pdf88.67KB
817756_instructions.pdf688.74KB

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
Ford F-150 King Ranch 2015 3.5L / 213 / V6
Ford F-150 King Ranch 2016 3.5L / 213 / V6
Ford F-150 King Ranch 2017 3.5L / 213 / V6
Ford F-150 King Ranch 2018 3.5L / 213 / V6
Ford F-150 King Ranch 2019 3.5L / 213 / V6
Ford F-150 King Ranch 2020 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 Lariat 2015 2.7L / 164 / V6
3.5L / 213 / V6
Ford F-150 Lariat 2016 2.7L / 164 / V6
3.5L / 213 / V6
Ford F-150 Lariat 2017 2.7L / 164 / V6
3.5L / 213 / V6
Ford F-150 Lariat 2018 2.7L / 164 / V6
3.5L / 213 / V6
Ford F-150 Lariat 2019 2.7L / 164 / V6
3.5L / 213 / V6
Ford F-150 Lariat 2020 2.7L / 164 / V6
3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 Limited 2016 3.5L / 213 / V6
Ford F-150 Limited 2017 3.5L / 213 / V6
Ford F-150 Limited 2018 3.5L / 213 / V6
Ford F-150 Limited 2019 3.5L / 213 / V6
Ford F-150 Limited 2020 3.5L / 213 / V6
Ford F-150 Platinum 2015 3.5L / 213 / V6
Ford F-150 Platinum 2016 3.5L / 213 / V6
Ford F-150 Platinum 2017 3.5L / 213 / V6
Ford F-150 Platinum 2018 3.5L / 213 / V6
Ford F-150 Platinum 2019 3.5L / 213 / V6
Ford F-150 Platinum 2020 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 Police Responder 2019 3.5L / 213 / V6
Ford F-150 Police Responder 2020 3.5L / 213 / V6
Ford F-150 SSV 2016 3.5L / 213 / V6
Ford F-150 SSV 2017 3.5L / 213 / V6
Ford F-150 SSV 2018 3.5L / 213 / V6
Ford F-150 SSV 2019 3.5L / 213 / V6
Ford F-150 SSV 2020 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 XLT 2015 2.7L / 164 / V6
Ford F-150 XLT 2016 2.7L / 164 / V6
Ford F-150 XLT 2017 2.7L / 164 / V6
Ford F-150 XLT 2018 3.5L / 213 / V6
2.7L / 164 / V6
Ford F-150 XLT 2019 3.5L / 213 / V6
2.7L / 164 / V6
Ford F-150 XLT 2020 3.5L / 213 / V6
2.7L / 164 / V6
5.0L / 302 / V8
Ford F-150 XL 2015 2.7L / 164 / V6
3.5L / 213 / V6
Ford F-150 XL 2016 2.7L / 164 / V6
3.5L / 213 / V6
Ford F-150 XL 2017 2.7L / 164 / V6
3.5L / 213 / V6
Ford F-150 XL 2018 2.7L / 164 / V6
3.5L / 213 / V6
Ford F-150 XL 2019 2.7L / 164 / V6
3.5L / 213 / V6
Ford F-150 XL 2020 2.7L / 164 / V6
5.0L / 302 / V8
3.5L / 213 / V6

Specifications:

California Proposition 65 Chemical Name Chromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 Required Yes
Catalytic Converter Included No
Emission Code 5
Exhaust Series Outlaw
Exit Position Single Side Exit
Heat Shield No
Material 409 Stainless Steel
Mount Type Uses Factory Hangers
Muffler Finish Black
Muffler Inlet Diameter (in) 4
Muffler Material 409S Stainless Steel
Muffler Outlet Diameter (in) 4
Muffler Part Number Kit Only
Muffler Quantity 1
Muffler Series Outlaw
Muffler Shape Round
Muffler Type Welded Baffle
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Single Dual Single
Sound Level Aggressive
System Type Cat-back
Tip Cut Angle
Tip Diameter (in) 5
Tip Edge Style Rolled
Tip Finish Ceramic Coated Black
Tip Length (in) 13
Tip Logo Embossed
Tip Material 304 Stainless
Tip Quantity 1
Tip Shape Round
Tubing Diameter (in) 4
Tubing Material 409S Stainless Steel
Warranty Limited Lifetime (Lifetime)

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Flowmaster 2015-2020 Ford F-150 Outlaw Cat-Back Exhaust System 817756: