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Flowmaster 2005-2010 Ford Mustang Outlaw Series™ Axle Back Exhaust System 817511

Flowmaster 2005-2010 Ford Mustang Outlaw Series™ Axle Back Exhaust System 817511
Flowmaster 2005-2010 Ford Mustang Outlaw Series™ Axle Back Exhaust System 817511Flowmaster 2005-2010 Ford Mustang Outlaw Series™ Axle Back Exhaust System 817511Flowmaster 2005-2010 Ford Mustang Outlaw Series™ Axle Back Exhaust System 817511
$898.99 ea
NEWARRIVING SOONEstimated Ship Date 10/26/2023 (If Ordered Today)169 available from HOLLEY PERFORMANCE PRODUCTS as of 10/04/2023
Model: 4005351
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 1
Flowmaster's Outlaw Axle-back systems are race-oriented systems designed to replace original rear mounted mufflers located behind the rear axle using factory style connections. Outlaw systems deliver an ultra aggressive interior and exterior tone and are suited to the enthusiast who wants the most aggressive components they can purchase. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
Features:
  • Mandrel Bent 16ga 409 Stainless Tubing
  • Limited Lifetime Warranty
  • Aggressive And Powerful Exterior Exhaust Tone
  • Incl. Hangers and Hardware For Easy Installation
  • Axle Back System
  • Dual Out Rear Exit
  • Dyno Tuned for Maximum Performance
  • Premium Flowmaster Quality
Holley Performance Emission Code 5: 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
Installation Notes:
Fits 2005-2010 Ford Mustang GT, GT500 with a 4.6L or 5.4L engine.
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
FM_Warranty_General.pdf88.58KB
NAFTA_COO-2013.pdf105.94KB
817511.pdf50.1KB
817511_Dyno.pdf490.02KB
817511_instructions.pdf1.22MB

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 Mustang Bullitt 2008 4.6L / 281 / V8 Dual; Dual Rear Exit; Incl. 3.0 in. Tubing/Outlaw(TM) Mufflers/4.0 in. Polished Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang Bullitt 2009 4.6L / 281 / V8 Dual; Dual Rear Exit; Incl. 3.0 in. Tubing/Outlaw(TM) Mufflers/4.0 in. Polished Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang GT 2005 4.6L / 281 / V8 Dual; Dual Rear Exit; Incl. 3.0 in. Tubing/Outlaw(TM) Mufflers/4.0 in. Polished Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang GT 2006 4.6L / 281 / V8 Dual; Dual Rear Exit; Incl. 3.0 in. Tubing/Outlaw(TM) Mufflers/4.0 in. Polished Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang GT 2007 4.6L / 281 / V8 Dual; Dual Rear Exit; Incl. 3.0 in. Tubing/Outlaw(TM) Mufflers/4.0 in. Polished Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang GT 2008 4.6L / 281 / V8 Dual; Dual Rear Exit; Incl. 3.0 in. Tubing/Outlaw(TM) Mufflers/4.0 in. Polished Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang GT 2009 4.6L / 281 / V8 Dual; Dual Rear Exit; Incl. 3.0 in. Tubing/Outlaw(TM) Mufflers/4.0 in. Polished Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang GT 2010 4.6L / 281 / V8 Dual; Dual Rear Exit; Incl. 3.0 in. Tubing/Outlaw(TM) Mufflers/4.0 in. Polished Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang Shelby GT 2007 4.6L / 281 / V8 Dual; Dual Rear Exit; Incl. 3.0 in. Tubing/Outlaw(TM) Mufflers/4.0 in. Polished Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang Shelby GT 2008 4.6L / 281 / V8 Dual; Dual Rear Exit; Incl. 3.0 in. Tubing/Outlaw(TM) Mufflers/4.0 in. Polished Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant

Specifications:

2WD/4WD 2WD
California Proposition 65 Chemical Name Chromium (hexavalent compounds)
California Proposition 65 Chemical Name 1 Nickel (Metallic)
California Proposition 65 Chemical Name 2 Chromium (hexavalent compounds)
California Proposition 65 Required Yes
Emission Code 5
Exhaust Series Outlaw
Exhaust Type Dual
Exit Position Dual Rear
Exit Style Straight
Heat Shield No
Heat Shield Attached No
Inlet Diameter 2.500 in.
Inlet Diameter (in) 2.5
Inlet Inside Diameter 3.000 in.
Material Stainless Steel
Muffler Count 2
Muffler Part Number Kit Only
Muffler Quantity 2
Muffler Series Outlaw Delta Force
Outlet Diameter 3.000 in.
Outlet Diameter (in) 3
Outlet Outside Diameter 3.000 in.
Part Type Exhaust System Kit
Single Dual Dual
Single or Dual Dual
Sound Level Aggressive
System Type Axle Back
Tail Pipe Diameter 3.000 in.
Tip Diameter 4.000 in.
Tip Diameter (in) 4
Tip Quantity 2
Tubing Diameter 3.000 in.
Tubing Diameter (in) 3
WARNING CA Proposition 65 WARNING: Cancer and Reproductive Harm
Warranty Limited Lifetime (Lifetime)

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Flowmaster 2005-2010 Ford Mustang Outlaw Series™ Axle Back Exhaust System 817511:
Mustang Depot 2023