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Transform the sound of your Sierra with our enhanced truck mufflers. The muffler of your Sierra is responsible or adjusting the tone of your exhaust so that it's either loud or quiet depending on how you want your vehicle to sound. For a more intense sounding pickup you can get a carefully adjusted muffler that will give it a deep rumbling note that's impossible to ignore. Invest in your pickup truck to make it stand out in a big way with our different Sierra exhaust systems, and you'll be impressed with how much you can change the perceived power and performance of your truck. Our mufflers are formed from stainless steel and built with prevent rust and corrosion over time. They feature wide pathways for efficient exhaust flow and when adding alongside other exhaust parts can actually make your tjruck more powerful when installed. If you're interested in taking your truck's performance to the next level, take a look at our different Sierra exhaust systems and individuals parts like our Sierra headers and make enhancements and upgrades wherever they will have the biggest impact. Each of our parts is made from quality materials, but some are more streamlined than others, giving you an opportunity to add serious power to your truck and also to make it more efficient. We sell other aftermarket parts for power enhancement as well. Each is designed to fit your pickup truck exactly, so you can drive around proudly knowing that you made your truck faster and more efficient with smart upgrades. Toughen up your truck, boost its engine performance or just upgrade the sound of your ride with our exhaust components from American Trucks.


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Fitment Includes

  • 2019-2020 GMC Sierra 1500
  • Base, SLE, Elevation, SLT, AT4, Denali

*Please see Sierra parts pages for any exceptions.

2019-2020 Sierra Mufflers

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Sierra 1500
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