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Flowmaster 2009-2014 Ford F-150 Outlaw Extreme Cat-Back Exhaust System 817707

Flowmaster 2009-2014 Ford F-150 Outlaw Extreme Cat-Back Exhaust System 817707
Flowmaster 2009-2014 Ford F-150 Outlaw Extreme Cat-Back Exhaust System 817707Flowmaster 2009-2014 Ford F-150 Outlaw Extreme Cat-Back Exhaust System 817707Flowmaster 2009-2014 Ford F-150 Outlaw Extreme Cat-Back Exhaust System 817707Flowmaster 2009-2014 Ford F-150 Outlaw Extreme Cat-Back Exhaust System 817707
$753.99 ea
NEWARRIVING SOONEstimated Ship Date 09/09/2026 (If Ordered Today)20 Available from HOLLEY PERFORMANCE PRODUCTS as of 08/24/2026
Model: 4005421
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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[More Info]
The new Flowmaster Outlaw Extreme Cat-back exhaust system is for 2009-2014 Ford F-150 trucks with the 3.5L, 4.6L, 5.0L, and 5.4L engines. Do you like attention and want to be heard? These kits deliver the ultimate in aggressive sound by using a 3.00-inch race-proven Outlaw muffler and a 3.00-inch mandrel-bent "dump-style" turndown for a very deep aggressive sound both inside and outside the truck. The system fits both 2 and 4 wheel drive trucks, and all wheelbases. Constructed with durable 409S stainless steel and uses the factory hanger locations, so installation is a breeze. The system is covered by our Lifetime Limited Warranty and includes all of the necessary hardware for a quick and easy installation you can do at home.
Features:
  • Race Proven Outlaw Muffler Technology
  • Extreme Sound for Extreme Lifestyles
  • Uses the Factory Hanger Locations
  • Very Quick and Easy Installation
  • Stainless Steel Construction
  • Lifetime Limited Warranty
  • Flowmaster Reliability
2009-2014 Ford F-150 trucks with 3.5L, 4.6L, 5.0L and 5.4L engines.
Installation Notes:
2009-2014 Ford F-150 trucks with 3.5L, 4.6L, 5.0L and 5.4L engines.
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
817707_instructions.pdf2.1MB

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
Ford F-150 FX2 2010 4.6L / 281 / V8
5.4L / 330 / V8
Ford F-150 FX2 2011 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 FX2 2012 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 FX2 2013 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 FX2 2014 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 FX4 2009 5.4L / 330 / V8
Ford F-150 FX4 2010 5.4L / 330 / V8
Ford F-150 FX4 2011 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 FX4 2012 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 FX4 2013 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 FX4 2014 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 Harley-Davidson Edition 2010 5.4L / 330 / V8
Ford F-150 King Ranch 2009 5.4L / 330 / V8
Ford F-150 King Ranch 2010 5.4L / 330 / V8
Ford F-150 King Ranch 2011 5.0L / 302 / V8
3.5L / 213 / V6
Ford F-150 King Ranch 2012 5.0L / 302 / V8
3.5L / 213 / V6
Ford F-150 King Ranch 2013 5.0L / 302 / V8
3.5L / 213 / V6
Ford F-150 King Ranch 2014 5.0L / 302 / V8
3.5L / 213 / V6
Ford F-150 Lariat 2009 5.4L / 330 / V8
Ford F-150 Lariat 2010 5.4L / 330 / V8
Ford F-150 Lariat 2011 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 Lariat 2012 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 Lariat 2013 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 Lariat 2014 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 Limited 2013 3.5L / 213 / V6
Ford F-150 Limited 2014 3.5L / 213 / V6
Ford F-150 Platinum 2009 5.4L / 330 / V8
Ford F-150 Platinum 2010 5.4L / 330 / V8
Ford F-150 Platinum 2011 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 Platinum 2012 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 Platinum 2013 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 Platinum 2014 3.5L / 213 / V6
5.0L / 302 / V8
Ford F-150 STX 2009 4.6L / 281 / V8
Ford F-150 STX 2010 4.6L / 281 / V8
Ford F-150 STX 2011 5.0L / 302 / V8
Ford F-150 STX 2012 5.0L / 302 / V8
Ford F-150 STX 2013 5.0L / 302 / V8
Ford F-150 STX 2014 5.0L / 302 / V8
Ford F-150 SVT Raptor 2010 5.4L / 330 / V8
Ford F-150 Tremor 2014 3.5L / 213 / V6
Ford F-150 XLT 2009 5.4L / 330 / V8
4.6L / 281 / V8
Ford F-150 XLT 2010 5.4L / 330 / V8
4.6L / 281 / V8
Ford F-150 XLT 2011 5.0L / 302 / V8
3.5L / 213 / V6
Ford F-150 XLT 2012 5.0L / 302 / V8
3.5L / 213 / V6
Ford F-150 XLT 2013 5.0L / 302 / V8
3.5L / 213 / V6
Ford F-150 XLT 2014 5.0L / 302 / V8
3.5L / 213 / V6
Ford F-150 XL 2009 5.4L / 330 / V8
4.6L / 281 / V8
Ford F-150 XL 2010 5.4L / 330 / V8
4.6L / 281 / V8
Ford F-150 XL 2011 5.0L / 302 / V8
3.5L / 213 / V6
Ford F-150 XL 2012 5.0L / 302 / V8
3.5L / 213 / V6
Ford F-150 XL 2013 5.0L / 302 / V8
3.5L / 213 / V6
Ford F-150 XL 2014 5.0L / 302 / V8
3.5L / 213 / V6

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
Emission Code 5
Exhaust Series Outlaw Extreme
Exit Position Single Out - Dump
Heat Shield No
Inlet Diameter (in) 3
Material 409 Stainless Steel
Mount Type Uses Factory Hangers
Muffler Part Number Kit Only
Muffler Quantity 1
Muffler Series Outlaw
Muffler Type Welded Baffle
Outlet Diameter (in) 3
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Shape Round
Single Dual Single
Sound Level Aggressive
System Type Cat-back
Tip Cut Square
Tip Diameter (in) 3
Tip Edge Style Cut
Tip Finish Natural
Tip Length (in) 11
Tip Logo None
Tip Material 409 Stainless Steel
Tip Quantity 1
Tip Shape Round
Tubing Diameter (in) 3
Warranty Limited Lifetime (Lifetime)

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