×

PLEASE NOTE: As of August 1, 2023 our Windsor location will no longer be open for Walk-In Traffic

877.352.5355 Contact Us Mon-Fri 10a-6p & Sat 10a-3p EST
DRIVEN BY CARE

Flowmaster 2005-2010 Ford Mustang Outlaw Series™ Cat Back Exhaust System 817515

Flowmaster 2005-2010 Ford Mustang Outlaw Series™ Cat Back Exhaust System 817515
Flowmaster 2005-2010 Ford Mustang Outlaw Series™ Cat Back Exhaust System 817515Flowmaster 2005-2010 Ford Mustang Outlaw Series™ Cat Back Exhaust System 817515Flowmaster 2005-2010 Ford Mustang Outlaw Series™ Cat Back Exhaust System 817515
$1,204.99 ea
NEWBackordered until 11/05/2023
Model: 4005354
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 2
Flowmaster's new Outlaw Cat-back exhaust system for the 05-10 Ford Mustang GT is perfect for the person looking for a very deep and aggressive sound level outside and inside the car with all of the performance benefits that you would expect from Flowmaster. This exhaust is not for the faint of heart! This bolt-on DOR (Dual Out Rear) emissions-legal system for cars with the 4.6L or 5.4L V8 engines features a pair of race proven Outlaw Series mufflers and dual mandrel bent 2.50 inch tailpipes for maximum performance. The system is built out of 409S stainless steel and utilizes 4.00 inch Polished Stainless Steel Flowmaster Embossed tips. This exhaust system also fits convertible and GT500 models. The exhaust system is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.
Features:
  • Mandrel Bent 16ga 409 Stainless Tubing
  • Limited Lifetime Warranty
  • Aggressive And Powerful Exterior Exhaust Tone
  • Incl. Hangers and Hardware For Easy Installation
  • Cat Back
  • Dual Out Rear Exit
  • Dyno Tuned for Maximum Performance
  • True Bolt-On Installation
  • Made in the USA
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 with 4.6L and GT500 with 5.4L engines. Fits hardtops and convertibles.
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
817515_Instructions.pdf267.2KB
817515_instructions.pdf2.88MB

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 GT 2005 4.6L / 281 / V8 Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang GT 2006 4.6L / 281 / V8 Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang GT 2007 4.6L / 281 / V8 Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang GT 2008 4.6L / 281 / V8 Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang GT 2009 4.6L / 281 / V8 Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang GT 2010 4.6L / 281 / V8 Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang Shelby GT500KR 2008 5.4L / 330 / V8 Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang Shelby GT500KR 2009 5.4L / 330 / V8 Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang Shelby GT500 2007 5.4L / 330 / V8 Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang Shelby GT500 2008 5.4L / 330 / V8 Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang Shelby GT500 2009 5.4L / 330 / V8 Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang Shelby GT500 2010 5.4L / 330 / V8 Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang Shelby GT 2007 4.6L / 281 / V8 Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
Ford Mustang Shelby GT 2008 4.6L / 281 / V8 Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant

Specifications:

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
Catalytic Converter Included No
Emission Code 5
Exhaust Series Outlaw
Exhaust Type Dual
Exit Position Dual Out Rear
Exit Style Straight
Heat Shield No
Heat Shield Attached No
Inlet Inside Diameter 2.500 in.
Material Stainless Steel
Mount Type Uses Factory Hangers
Muffler Body Material 409S Stainless Steel
Muffler Body Shape Round
Muffler Count 2
Muffler Finish Black
Muffler Inlet Diameter 2.500 in.
Muffler Inlet Diameter (in) 2.5
Muffler Material 409S Stainless Steel
Muffler Outlet Diameter 3.000 in.
Muffler Outlet Diameter (in) 3
Muffler Part Number Kit Only
Muffler Quantity 2
Muffler Series Outlaw
Muffler Shape Round
Muffler Type Welded Baffle
Outlet Outside Diameter 2.500 in.
Part Type Exhaust System Kit
Single Dual Dual
Single or Dual Dual
Sound Level Aggressive
System Type Cat Back
Tail Pipe Diameter 2.500 in.
Tip Cut Angle
Tip Diameter 4.000 in.
Tip Diameter (in) 4
Tip Edge Style Rolled
Tip Finish Polished
Tip Length 5.250 in.
Tip Length (in) 5.25
Tip Logo Embossed
Tip Material 304 Stainless Steel
Tip Quantity 2
Tip Shape Round
Tip Type Single Wall
Tubing Diameter 2.500 in.
Tubing Diameter (in) 2.5
Tubing Material 409S Stainless Steel
WARNING CA Proposition 65 WARNING: Cancer and Reproductive Harm
Warranty Limited Lifetime (Lifetime)

Reviews:

Write a Review
* Your Name:
* Email (This will not be displayed)
* Rating:
Comments:

Ask a question about

Flowmaster 2005-2010 Ford Mustang Outlaw Series™ Cat Back Exhaust System 817515:
Mustang Depot 2023