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  • MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
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MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889

Exhaust, Mufflers & Tips Catback
Magnaflow
mag15889
Special order
August 4, 2026
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$553.00
The MagnaFlow 2005-2009 Ford Mustang Street Series Axle-Back Performance Exhaust System brings enhanced engine sound and dyno-proven performance to your 4.0L 2005-2009 Ford Mustang with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this Ford Mustang exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features an axle-back layout designed to replace your Ford Mustang's exhaust system from near the rear axle on back. With its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through mufflers ending in a Single Straight Passenger Side Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips, your ride will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15889 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty. The MagnaFlow 2005-2009 Ford Mustang Street Series Axle-Back Performance Exhaust System 15889 brings enhanced engine sound and dyno-proven performance to your 4.0L 2005-2009 Ford Mustang with a...
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MagnaFlow Sys Cat-Back 05-09 Mustang V6 4.0L Axl-Bak - 15889
SKU: mag15889
Product Details

Everything You Need To Know

Review product information, shipping and returns, and price-match details before you order.

Product Info

The MagnaFlow 2005-2009 Ford Mustang Street Series Axle-Back Performance Exhaust System brings enhanced engine sound and dyno-proven performance to your 4.0L 2005-2009 Ford Mustang with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this Ford Mustang exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features an axle-back layout designed to replace your Ford Mustang's exhaust system from near the rear axle on back. With its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through mufflers ending in a Single Straight Passenger Side Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips, your ride will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15889 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty.

The MagnaFlow 2005-2009 Ford Mustang Street Series Axle-Back Performance Exhaust System 15889 brings enhanced engine sound and dyno-proven performance to your 4.0L 2005-2009 Ford Mustang with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this Ford Mustang exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features an axle-back layout designed to replace your Ford Mustang's exhaust system from near the rear axle on back. With its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through mufflers ending in a Single Straight Passenger Side Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips, your ride will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15889 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty.

Need further assistance? Call 1-800-990-0905.

Features & Benefits

  • Durable Corrosion-Resistant Stainless Steel Construction
  • CNC Precision Robotic Manufacturing Techniques
  • Dyno-proven performance
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In Stock Items:
In stock items typically ship within 1-3 business days. Most items arrive within 2 business days, but there are situations where it may take up to 5 business days.

Special Order Items:
Special order and out of stock items are product-specific and lead times can vary. Please e-mail us if you are looking for an ETA / Lead Time on a specific product. Special order orders are subject to cancellation if the vendor cannot provide any ETA.

Returns Policy

To start the return process, please e-mail sales@allianceracing.com

Include the following:
Subject "Return for Order#"
Order Number
Part Number
Reason

Returns are eligible for up to 14 days from delivery of items. Accepted refunds can take up to 7-10 business days to process. All refunds are subject to a 25% restocking fee, if opened. Customer may be responsible for return shipping. If 14 days have gone by since your item was delivered, unfortunately we can’t guarantee you a refund or exchange. We reserve the right to deny any return request, based on provided information.

Alliance Racing is not responsible for ensuring part fitment. It is the responsibility of the purchaser to ensure the parts being ordered are the correct fitment for the vehicle intended. Alliance Racing will not accept any returns for incorrect fitment after product is opened.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Shipping

To return your product, mail your product to:
Alliance Racing LLC
8810 Twin Lakes Blvd
Tampa, FL 33614

In many cases, you will be responsible for shipping costs to return your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping will be deducted from your refund.

Depending on your location, the time it may take for your exchanged product to reach you may vary.

If you are shipping an item over $100, you should consider using a trackable shipping service and/or purchasing Shipping Insurance.

To initiate a price match, please e-mail sales@allianceracing.com with the product information (SKU, URL, & Part Name) and a link to the competitors product page for us to validate the price match eligibility.

Please note that there are cases when we cannot offer a price match, but we will do everything in our power to try to match it. Some manufacturers have Pricing Policies that we have to adhere to.

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