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Flowmaster 2011-2014 Ford Mustang Force II Axle-Back Exhaust System 817497

Flowmaster 2011-2014 Ford Mustang Force II Axle-Back Exhaust System 817497
Flowmaster 2011-2014 Ford Mustang Force II Axle-Back Exhaust System 817497Flowmaster 2011-2014 Ford Mustang Force II Axle-Back Exhaust System 817497Flowmaster 2011-2014 Ford Mustang Force II Axle-Back Exhaust System 817497
$1,086.99 ea
NEWARRIVING SOONEstimated Ship Date 05/29/2025 (If Ordered Today)2 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/09/2025
Model: 4005343
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 1
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Wake up the performance and sound hidden in your 3.7L V6-powered 2011-2014 Ford Mustang with a Flowmaster Force II® exhaust system. These moderate sounding systems retain the dual exhaust system outlets and are designed to replace the original rear mounted mufflers using factory hangers and connections. With easy fit in mind, these systems are mandrel-bent stainless steel for maximum performance and include specially tuned pair of 60 Series™ performance mufflers with large 3.50-inch polished stainless steel tips. As a Force II system, it delivers a moderate exterior tone and a mild interior tone and is suited to the enthusiast who wants a subtle but distinctive performance exhaust note. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage. The exhaust is a true bolt-on system, includes everything you need to easily install at home with basic hand tools and is covered by our Lifetime Limited Warranty.
Features:
  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel-bent 16 Gauge Stainless Steel Tubing
  • Dyno Tuned for Maximum Performance
  • Moderate Exterior Exhaust Tone
  • 60 Series Performance Mufflers
  • Lifetime Limited Warranty
  • Uses the Factory Hangers
Fits 2011-2014 Ford Mustang with 3.7L V6 engine.
Installation Notes:
Fits 2011-2014 Ford Mustang with 3.7L V6 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
817497.pdf43.21KB

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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 Base 2011 3.7L / 227 / V6
Ford Mustang Base 2012 3.7L / 227 / V6
Ford Mustang Base 2013 3.7L / 227 / V6
Ford Mustang Base 2014 3.7L / 227 / V6

Specifications:

2WD/4WD 2WD
California Proposition 65 Chemical Name Chromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 Required Yes
Emission Code 5
Exhaust Series Force II
Exit Position Dual Out Rear
Heat Shield No
Inlet Diameter (in) 2.25
Material 409 Stainless Steel
Muffler Part Number Kit Only
Muffler Quantity 2
Muffler Series 60 Series Delta Flow
Outlet Diameter (in) 2.5
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Single Dual Dual
Sound Level Moderate
System Type Axle-back
Tip Diameter (in) 4
Tip Quantity 2
Tubing Diameter (in) 2.25
Warranty Limited Lifetime (Lifetime)

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