Exhaust› Mufflers and Resonators

42441-FM

2-Chamber Exhaust Muffler

$47.10

SKU: 42441-FM

In Stock
In Stock
Ships by Sep 13
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Flowmaster 42441-FM is a 2-chamber exhaust muffler designed to produce an aggressive sound. It is constructed from durable 16-gauge aluminized steel with 100% MIG welded seams for maximum strength. The internal design cancels out high-pitch frequencies, and the silver painted finish provides an aggressive look.

This muffler features a compact design that accommodates most cars, trucks, and SUVs, with 2.25-inch inlet and outlet diameters. It aims to increase exhaust flow for improved performance and throttle response.
Show original supplier description
The Flowmaster 42441-FM FlowMonster muffler is engineered to deliver an aggressive exhaust note for your car, truck, or SUV. Its 2-chamber internal design is specifically crafted to cancel out annoying high-pitch frequencies without relying on packing, ensuring a consistent, aggressive sound that won't degrade over time. Constructed from durable 16-gauge aluminized steel and featuring 100% MIG welded seams, this muffler is built for maximum strength and longevity. It is finished in a high-heat resistant silver paint for a visually appealing aesthetic. With a compact design, the 42441-FM is intended to accommodate a wide range of vehicles, including cars, trucks, and SUVs. It features 2.25-inch inlet and outlet diameters and is designed to increase exhaust flow, leading to enhanced performance and improved throttle response. The oval shape and specific dimensions (20.1 x 10.1 x 4.5 inches) contribute to its versatile fitment.

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

Brand42441-FM
Part Number42441-FM
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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