Exhaust› Mufflers and Resonators

MagnaFlow

14857 Stainless Steel Universal Performance Muffler

$322.99

SKU: 00841380003881

Special Order
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 14857 is a universal performance muffler designed for custom exhaust applications. It features a straight-through design and an integrated welded tip for a finished look and simple installation. The muffler is constructed from stainless steel with a brushed finish.
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The MagnaFlow 14857 is a universal performance muffler, part of MagnaFlow's custom exhaust solutions. This muffler is engineered with a straight-through design, which is known for allowing for maximum exhaust flow and a deep, resonant sound characteristic of MagnaFlow products. It comes with an integrated welded tip, providing a finished aesthetic and simplifying the installation process for custom exhaust builds. Constructed from durable stainless steel with a brushed finish, the 14857 offers longevity and resistance to corrosion. Its specifications include a 5x14x5 inch body size, a 2.25-inch inlet diameter, and a 4-inch outlet diameter. The center inlet and center outlet configuration further enhances its versatility for custom applications.

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 Number00841380003881
CategoryExhaust
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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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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