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2019-2025 GMC Sierra Headers

Unlock your truck's performance potential with high-flow 2019-2024 GMC Sierra Headers that reduce exhaust restriction while creating the aggressive sound that serious enthusiasts appreciate. These precision-engineered components improve exhaust scavenging efficiency that translates into noticeable power gains and throttle response improvements, transforming your Sierra into a more responsive and exciting machine that delivers enhanced performance across the entire RPM range.

 

Exhaust port matching and primary tube diameter must correspond to your Sierra's specific engine configuration and performance goals to maximize flow improvements without creating adverse effects. Heat shielding and coating durability become critical considerations for headers that operate in extreme temperature environments, where thermal expansion and corrosion quickly compromise inferior products and affect long-term performance reliability.

 

Enhanced stopping power comes from 2019-2024 GMC Sierra Exhaust Systems. Superior performance builds with /sierra-exhaust-2019.html, while 2019-2024 GMC Sierra Cold Air Intakes delivers precision engineering for exceptional braking capabilities.
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Best Selling Exhaust for your Sierra 3500

Recently Added Sierra 3500;Headers

2019-2025 GMC Sierra Headers

Achieve a more aggressive note while boosting truck efficiency and performance with our enhanced truck headers. The headers are the part of your exhaust system that pulls exhaust right from the engine cylinders. They are the first step to getting the exhaust out of your vehicle, and should be as efficient as possible. If you can figure out a way to get the exhaust out of your vehicle faster, you'll enjoy a nice little power boost as a result. That's why we offer advanced equipment like Sierra shorty headers that do the same job as stock headers, but in less time. We have Sierra long tube headers, shorty headers and many other styles in between. When you purchase one of our headers you're getting a nice set of pipes that are designed for corrosion resistance. You're also getting pipes that are wide and carefully mapped for optimal exhaust flow. You can expect enhanced engine efficiency and a slight boost in power as well. Choose from the many different headers we have until you find a style that you really enjoy. With so many different colors and styles to select from you really can choose a look that you like for your pickup truck. The headers that you select will largely determine what your exhaust system looks like from within the engine bay of your truck, so choose wisely. The header is just one of the components of your Sierra's exhaust system though and upgraded headers alone won't add much power to your pickup truck. To see the full benefits of a more efficient header system, you need other enhanced exhaust parts along the way to the tailpipe. Invest in a wider mid-pipe, a more efficient muffler and resonator, get a wider downpipe and widen and improve upon all the other exhaust components to the end of your pickup truck. Making this upgrade should boost engine efficiency slightly, and when you upgrade other areas of your engine such as the cold air intake you'll see even greater power boosts from the exhaust system as well.

 

Shop All Truck Exhaust Headers & Manifolds

 

Fitment Includes

  • 2019, 2020, 2021, 2022, 2023, 2024 and 2025 GMC Sierra 1500
  • Base, Elevation, SLE, Pro, AT4, Denali, SLT, AT4X, Denali Ultimate

*Please see Sierra parts pages for any exceptions.