SKU: 55764540027

2011-2012 Ford Mustang Axle-Back Exhaust Flowmaster Stainless Steel

Sale price$321.73 Regular price$357.48
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Description

2011-2012 Ford Mustang Axle-Back Exhaust Flowmaster Stainless SteelOverview: 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

Overview:

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:

  • Flow FX Series performance muffler offers an aggressive to moderate sound level and increased performance
  • 409 stainless steel construction delivers extra durability and improved long-term corrosion resistance
  • Max dyno gains of 9 hp and 10 lb-ft at the rear wheels
  • 3.00-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power
  • Includes all necessary hardware for an at home installation
  • Dual 4.00-inch black ceramic-coated tips add a custom look
  • Uses factory hanger locations for easy installation
  • Lifetime Limited Warranty
  • Specs:

  • Brand: Flowmaster
  • CARB (California) Compliant: Yes
  • Catalytic Converter Included: No
  • Catalytic Converter Quantity: 0
  • Clamping Type: Flat Band
  • Clamps Included: Yes
  • Emission Code: 5
  • Exhaust Series: Outlaw
  • Exhaust Tip Color: Silver
  • Exhaust Tip Connection: Welded
  • Exhaust Tip Cut: Angled
  • Exhaust Tip Edge: Rolled Edge Angle Cut
  • Exhaust Tip Finish: Polished
  • Exhaust Tip Material: 304 Stainless Steel
  • Exhaust Tip Quantity: 2
  • Exhaust Tip Shape: Round
  • Exhaust Tip Wall: Single Wall
  • Exit Style: Dual Out Rear
  • Finish: Natural
  • Gasket Or Seal Included: No
  • Grade Type: Performance
  • Hangers Included: Yes
  • Heat Shield Included: No
  • Inlet Diameter: 2.75
  • Inlet Type: Clamp-On
  • Main Piping Diameter: 3
  • Mounting Bracket Included: No
  • Muffler (Left) Body Height: 4
  • Muffler (Left) Body Length: 10.5
  • Muffler (Left) Body Width: 4
  • Muffler (Left) Type: Chambered
  • Muffler (Right) Body Height: 4
  • Muffler (Right) Body Length: 10.5
  • Muffler (Right) Body Width: 4
  • Muffler (Right) Type: Chambered
  • Muffler Body Diameter: 4
  • Muffler Body Height: 4
  • Muffler Body Length: 16.75
  • Muffler Body Material: 409 Stainless Steel
  • Muffler Body Shape: Round
  • Muffler Body Width: 4
  • Muffler Finish: Black High-Temperature Paint Finish
  • Muffler Flanged Inlet: No
  • Muffler Flanged Outlet: No
  • Muffler Included: Yes
  • Muffler Inlet Connection: Slip-Fit
  • Muffler Inlet Inside Diameter: 2.75
  • Muffler Inlet Outside Diameter: 3
  • Muffler Outlet Quantity: 1
  • Muffler Part Number: Kit Only
  • Muffler Quantity: 2
  • Muffler Series: Outlaw
  • Muffler Type: Chambered
  • Pipe Color: Black
  • Pipe Material: 409 Stainless Steel
  • Sound Level: Aggressive
  • Spring Bolt Kit Included: No
  • Tail Pipe Outlet Outside Diameter: 3
  • Tail Pipe Quantity: 2
  • Tail Pipe Tapered Outlet: No
  • Type: Axle-back
  • Valve Included: No
  • Valve Type: Not Applicable
  • Part Number: 817516
  • Applications:

    • 2011-2012 Ford Mustang 302 CID

    Emissions:

    • 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.
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 55764540027

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    Zero
    Lowell, US
    ★★★★★ 4
    Easy to use
    Size: 4 Count (Pack of 1)
    Continued use is needed for best results
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 14, 2026
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    Nicole
    Bozeman, US
    ★★★★★ 5
    No sensitivity issues and works!
    Size: 4 Count (Pack of 2)
    I have what I would consider sensitive teeth and this doesn’t bother them one bit. I have used nightly for about 5 nights and can see a difference in color but again, no pain or sensitivity problems! I would recommend to anyone who asks what product to get for whitening teeth.
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    Reviewed in the United States on February 25, 2026
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    Julian Barrett
    Louisville, US
    ★★★★★ 5
    Impressive work...
    I've used those whitening kit and it's my first time with something like this. I've done the charcoal toothpaste and working toothpaste and they made small changes to my teeth over a long period of time, but the whitening kit was a bit different. I applied the gel on my teeth and used the LED mouthpiece. There was a small change and a bit of sensitivity in my teeth so I waited a few days for the pain to reduce. I didn't realize that the sensitivity feel for for that very purpose. After a few days I applied another coating and used the sensitivity gel. The results were significant my teeth were two chart shades different. I was very impressed. I would recommend this for whitening your teeth, but if you feel a bit of sensitivity after use, use the sensitivity gel and red light setting on the mouthpiece. It really does help.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 7, 2026
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    C
    Phoenix, US
    ★★★★★ 5
    Perfect Match with the WhiteBrite mouth whitener
    Size: 4 Count (Pack of 1)
    I purchased the White Brite teeth whitener unit & ordered the gel pens to go with it: this review is for the gel - however have to mention the little mouth brighter is AMAZING! Works as well as getting 500$ whitening at dentist! 🦷 … The gel is a perfect match for it…I used continuously for one week - saw a 85/90% Highly recommend the mouth whitener & gel pen!
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    Reviewed in the United States on May 17, 2026
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    Anjie Kacperski
    Battle Creek, US
    ★★★★★ 5
    Bright smile
    Size: 4 Count (Pack of 1)
    I love this product and its whitening teeth
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    Reviewed in the United States on April 15, 2026

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