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Magnaflow

MagnaFlow 4in. Round Glasspack Performance Exhaust Muffler 18146

$98.10 $65.00 Save $33.10

SKU: M001 18146

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The MagnaFlow 18146 is a 4-inch round glasspack performance exhaust muffler designed to deliver a deep, classic sound. It features a reversible, straight-through design with a 2.5-inch inlet and 2.5-inch outlet, and a 26-inch long, 4-inch round body.
Show original supplier description

Part #: 18146

The MagnaFlow 4in. Round Glasspack Performance Exhaust Muffler 18146 enhances your ride with the deep, classic sound that glasspack mufflers are known for. The round muffler body features a free-flowing reversible straight-through 2.5/2.5in. diameter configuration and single stage packing with a satin finish. This weight-optimized glasspack muffler is engineered to bring out the inner hot rod in your ride with plenty of volume and dyno-proven performance, so please check to ensure compliance with local noise regulations. 18146 offers flexibility when it comes to installation thanks to its universal design, however, professional installation is recommended. Muffler 18146 is made of corrosion resistant aluminized steel and produced using CNC precision robotic manufacturing techniques, all backed by MagnaFlow's 90-day limited construction warranty.

Features:

  • Straight-through performance design
  • Anti-corrosive aluminized body
  • Dyno Proven

Muffler - Glass Pack - 2-1/2 in Center Inlet - 2-1/2 in Center Outlet - 3-1/2 in Diameter Body - 30 in Long - Steel - Aluminized - Universal - Each

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 NumberM001 18146

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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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