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    • Borla ATAK Axle-Back — 2005-2009 Ford Mustang GT 4.6L | 4in Chrome Tips | 11806
    • Borla ATAK Axle-Back — 2005-2009 Ford Mustang GT 4.6L | 4in Chrome Tips | 11806
    • Borla ATAK Axle-Back — 2005-2009 Ford Mustang GT 4.6L | 4in Chrome Tips | 11806
    • Borla ATAK Axle-Back — 2005-2009 Ford Mustang GT 4.6L | 4in Chrome Tips | 11806
    • Borla ATAK Axle-Back — 2005-2009 Ford Mustang GT 4.6L | 4in Chrome Tips | 11806
    • Borla ATAK Axle-Back — 2005-2009 Ford Mustang GT 4.6L | 4in Chrome Tips | 11806
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    Borla ATAK Axle-Back — 2005-2009 Ford Mustang GT 4.6L | 4in Chrome Tips | 11806

    Vendor: Borla
    Part Number: 11806
    Save $107
    Sale Price $888.99 Regular Price $995.99

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    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
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    The Borla ATAK axle-back exhaust for the 2005-2009 Ford Mustang GT bolts on in place of the factory rear section and delivers Borla's aggressive ATAK sound with no drone inside the vehicle. It runs 2.5 inch tubing and exits through a single 4 inch round bright chrome on T-304 stainless steel tip on each muffler assembly, and it produces a very aggressive note on Shelby GT500 vehicles. Built from premium T-304 austenitic stainless steel with patented straight-through, multi-core technology, it is handmade in the USA and backed by the Borla Million-Mile Warranty. Because it installs behind the catalytic converter, this system is 50-state emissions legal.

    Specifications:

    • System type: axle-back exhaust
    • Sound level: ATAK (aggressive)
    • Material: T-304 austenitic stainless steel
    • Construction: patented straight-through, multi-core design, mandrel-bent
    • Tubing: 2.5 inch
    • Tips: single 4 inch round bright chrome on T-304 stainless, one per muffler
    • Emissions: 50-state emissions legal
    • Warranty: Borla Million-Mile Warranty
    • Made in the USA
    • Part number: 11806

    Vehicle Applications:

    • 2005 Ford Mustang GT
    • 2006 Ford Mustang GT
    • 2007 Ford Mustang GT
    • 2008 Ford Mustang GT
    • 2009 Ford Mustang GT
    • 2007 Ford Mustang Shelby GT500
    • 2008 Ford Mustang Shelby GT500
    • 2009 Ford Mustang Shelby GT500

    FAQ

    Which Mustangs does this Borla axle-back fit?

    It fits 2005 through 2009 Mustang GT, including the Bullitt, and 2007 through 2009 Shelby GT500 models.

    How loud is the ATAK sound?

    ATAK is Borla's aggressive sound level, louder than the S-Type and Touring tunings, and it produces a very aggressive note on Shelby GT500 vehicles while staying drone-free inside the cabin.

    What size are the exhaust tips?

    The system exits through a single 4 inch round bright chrome on T-304 stainless steel tip on each muffler assembly.

    Is this exhaust 50-state emissions legal and warrantied?

    Yes. It installs behind the catalytic converter so it is 50-state emissions legal, it is handmade in the USA, and it is backed by the Borla Million-Mile Warranty.

    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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