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Flowmaster 2011-2012 Ford Mustang Outlaw Axle-Back Exhaust System 817516

Flowmaster 2011-2012 Ford Mustang Outlaw Axle-Back Exhaust System 817516
Flowmaster 2011-2012 Ford Mustang Outlaw Axle-Back Exhaust System 817516Flowmaster 2011-2012 Ford Mustang Outlaw Axle-Back Exhaust System 817516Flowmaster 2011-2012 Ford Mustang Outlaw Axle-Back Exhaust System 817516
$967.99 ea
NEWARRIVING SOONEstimated Ship Date 05/29/2025 (If Ordered Today)4 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/11/2025
Model: 4005355
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 1
STORE PICKUP
[More Info]
This Outlaw® axle-back exhaust system is specifically designed for 2011-2012 Ford Mustang GT with the 5.0L engine and replaces the original rear mounted mufflers with factory style connections. With easy fit in mind, these 3.00-inch mandrel-bent exhaust systems include a pair of our race-proven Outlaw mufflers for an aggressive exterior and interior sound, and with the maximum amount of power gain possible from an axle-back system. The hangers use the factory locations and the system is finished off with a pair of 4.00-inch polished stainless steel tips embossed with the Flowmaster® name. Designed for an quick and easy installation, these systems include all necessary parts, hardware, detailed instructions and are covered by our Lifetime Limited Warranty. Notes: Also fits 2012 Ford Mustang Boss 302 models.
Features:
  • Includes Hangers and Hardware for an Easy Installation
  • 3.00-inch Mandrel-bent Stainless Steel Tubing
  • Large 4.00-inch Polished Stainless Steel Tips
  • Dyno Tuned for Maximum Performance
  • Aggressive Exterior Exhaust Note
  • Lifetime Limited Warranty
Fits 2011-2012 Ford Mustang GT 5.0L Coupes & Convertibles. Also fits 2012 Ford Mustang Boss 302.
Installation Notes:
Fits 2011-2012 Ford Mustang GT 5.0L Coupes & Convertibles. Also fits 2012 Ford Mustang Boss 302.
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
817516.pdf47.07KB

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 Mustang Boss 302 2012 5.0L / 302 / V8
Ford Mustang GT 2011 5.0L / 302 / V8
Ford Mustang GT 2012 5.0L / 302 / V8

Specifications:

2WD/4WD 2WD
California Proposition 65 Chemical Name Chromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 Required Yes
Emission Code 5
Exhaust Series Outlaw
Exit Position Dual Out Rear
Heat Shield No
Inlet Diameter (in) 2.75
Material 409 Stainless Steel
Muffler Part Number Kit Only
Muffler Quantity 2
Muffler Series Outlaw
Outlet Diameter (in) 3
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Single Dual Dual
Sound Level Aggressive
System Type Axle-back
Tip Diameter (in) 4
Tip Quantity 2
Tubing Diameter (in) 3
Warranty Limited Lifetime (Lifetime)

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Flowmaster 2011-2012 Ford Mustang Outlaw Axle-Back Exhaust System 817516: