SKU: 55764540027

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

Sale price$321.73 Regular price$357.48
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20

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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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    Sheila Cash
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    ★★★★★ 1
    Wobbly and Poor Design
    Size: 1-Panel
    Update: nope! Not worth the money. My cat simply brushed against the divider, and it fell, knocking breakable things over. Not safe! It serves it's purpose, but...the screws were basically glued to the packaging. It took me longer to get the screws out of the packaging than it did to put it together. The assembly was easy. I am not mechanically inclined by any means, but the instructions, despite being very hard to read (I have over 40 eyes), were pretty simple. Structurally, it is very wobbly. I think they should have designed it with a middle rod to keep it more stable. I find that the attachments to the rods are wobbly and should have been screwed rather than popped into an attachment hole without reinforcement. That would have also made the room divider more stable. I have cats, but the material is easy to clean. I took a damp cloth to it, and it came right off. As far as see-through...I think it does a great job of masking theO other side of the room.. I just wish it was a little longer and closer to the floor stand. I like that it came with extra parts. It's just a very cheaply made item, and I don't think the price for the item reflects how cheaply it is made, how wobbly and unstable it is, or the poor design.
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    Reviewed in the United States on March 15, 2025
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    David T Stark
    Lake Worth, US
    ★★★★★ 5
    Very good room divider
    Size: 6-Panel
    I ised this to isolate a storage area in my apartment. Looks better than boxes.
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    Reviewed in the United States on January 22, 2026
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    Jodie
    Lexington, US
    ★★★★★ 3
    Taking forever but worth it
    Size: 1-Panel, Size: 1-Panel
    Love the product. However, trying to take the screws etc out of its box, it’s almost impossible due to the adhesive inside it. I have neck and arm issues so for me it was even more difficult. Adhesive stuck to each washer and screw so I had adhesive all over my hands then I had to get it off of the items.
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    Reviewed in the United States on April 21, 2025
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    OkieDokie
    Draper, US
    ★★★★★ 5
    Stable, solid, and versatile!
    Color: Black, Size: 8 Panel-176'' Wide, Color: Black, Size: 8 Panel-176'' Wide
    Exceeded my expectations. Easy, but tedious to assemble. That said, it’s solid, well made, and will last. You can stand it up in a straight line without concern it will fall over. No need to fold it like an accordion for stability. Helped me separate my garage gym from the kids bikes, shelving, paint, tools, and typical garage stuff.
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    Magical M
    Lowell, US
    ★★★★★ 5
    Awesome !!
    Color: Black, Size: 8 Panel-176'' Wide
    This Divider is absolutely as advertized and works perfectly !! The quality is outstanding and the set up is easy to understand. Perfect !!
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    Reviewed in the United States on March 24, 2026

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