Exhaust› Exhaust Pipes, Systems and Components

Magnaflow

409 Stainless Steel Cat-Back Dual Exhaust System

$1,214.00

SKU: 15590

Out of Stock
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Magnaflow 15590 is a cat-back dual exhaust system designed for performance. It features 409 stainless steel construction for durability and a natural finish. The system includes a muffler with dimensions of 5 in. x 11 in. x 22 in. and 3-inch diameter tubing, exiting as a dual split rear.
Show original supplier description
The Magnaflow 15590 Competition Series cat-back exhaust system is engineered to enhance the performance and sound of specific Ford Mustang models. Constructed from durable 409 stainless steel, this dual exhaust system offers a natural finish and is built to last, backed by a lifetime construction warranty. This system features 3-inch mandrel-bent tubing and dual mufflers measuring 5" x 11" x 22" with a split rear exit. This cat-back system is specifically designed for the 2011-2012 Ford Mustang GT and Shelby GT500 models equipped with either the 5.0L or 5.4L V8 engines. It is important to note that depending on the vehicle configuration, some modifications may be required during installation. This system does not include an X-pipe with exhaust cutouts. Please consult installation instructions for proper torque specifications.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandMagnaflow
Part Number15590
CategoryExhaust
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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