MagnaFlow Exhaust, Mufflers & Cat Converters - Quality

MagnaFlow 6 in. x 18 in. Round Straight-Through Performance Exhaust Muffler Center/Center

MagnaFlow 6 in. x 18 in. Round Straight-Through Performance Exhaust Muffler - Main image
$93.44 $146 In stock

Category: Performance Exhaust

The MagnaFlow 6in. Round Straight-Through Performance Exhaust Muffler 12644 brings our world-famous exhaust sound and dyno-proven performance to your ride in a weight-optimized 6x6x18in. 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, 12644 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 (5.0 / 5 · 5 reviews)

Timothy Q. ★★★★★

The 18-inch body fit perfectly in the center of my truck's exhaust tunnel without any modifications needed. Even at highway speeds, the deep rumble is present without being obnoxious inside the cab.

Natalie ★★★★★

The tone is exactly what I wanted for my build—deep and aggressive under throttle, yet quiet enough on the highway to hold a conversation. The straight-through design really opened up top-end pull, and at just 6x6x18 inches it tucked perfectly into the existing tunnel without any clearance headaches

Andrew M. ★★★★★

Installed this on my truck last weekend and was surprised how much cleaner the install was compared to my old muffler—the 6x6x18 inch straight-through design fit perfectly without any modification. The weight savings over the stock unit is noticeable, and the sound is exactly what I was hoping for.