MagnaFlow Exhaust, Mufflers & Cat Converters - Quality

MagnaFlow 4 in. x 18 in. Round Straight-Through Performance Exhaust Muffler Center/Center

MagnaFlow 4 in. x 18 in. Round Straight-Through Performance Exhaust Muffler - Main image
$86.87 $119 In stock

Category: Performance Exhaust

The MagnaFlow 4in. Round Straight-Through Performance Exhaust Muffler 10424 brings our world-famous exhaust sound and dyno-proven performance to your ride in a weight-optimized 4x4x18in. package with a premium satin finish. The straight-through free-flowing design of this round-bodied muffler's reversible, universal 2/2in. diameter inlet/outlet layout enables versatile installation options to match the spacing requirements of your vehicle. Due to the cutting and welding involved, professional installation is highly recommended. Internally, 10424 utilizes a perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill to achieve a powerful, resonant tone. This muffler is made of durable, corrosion resistant stainless steel and produced using cutting-edge CNC precision robotic manufacturing techniques, all backed by MagnaFlow's limited lifetime construction warranty.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Hazel F. ★★★★★

The sound is deep and aggressive without being obnoxious on the highway, and the weight savings over my old chambered muffler were immediately noticeable. It's also a perfect 18-inch fit for my truck's short wheelbase.

Carter O. ★★★★★

The install was straightforward, and once I fired it up, that deep, throaty tone was exactly what I was after. It shaved off a few pounds compared to my old muffler, and the 4-inch round body fits perfectly under the chassis.

Jacob N. ★★★★★

The weight difference was the first thing I noticed when I lifted it out of the box—it’s noticeably lighter than the stock unit, which made the install a breeze. Once it was bolted up, the straight-through design gives a deep, aggressive tone without any annoying drone on the highway.