
Specifications
- Brand
- Gibson
- Part #
- GP131S-C
- UPC
- 677418009460

Gibson 01-03 Chevrolet Silverado 3500 Base 8.1L 1-3/4in 16 Gauge Performance Header - Ceramic Coated
$912.26
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Gibson 01-03 Chevrolet Silverado 3500 Base 8.1L 1-3/4in 16 Gauge Performance Header - Ceramic Coated. Dyno-tuned for improved low-end torque.
Key Features
- Fits 2001-2003 Chevrolet Silverado 2500 HD, 3500, GMC Sierra 2500 HD, 3500, Chevrolet Avalanche 2500, and GMC Yukon XL 2500 with 8.1L engines.
- Heavy-duty 3/8 inch thick laser-cut port flanges resist warping and leaking.
- 16-gauge 409L stainless steel tubing is durable and corrosion-resistant.
- High-temperature ceramic coating handles up to 1300 degrees Fahrenheit.
- Mandrel-bent tubing ensures consistent exhaust flow for improved engine breathing.
- Designed as a direct replacement for factory manifolds, using OEM-style connections.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
If you're looking to get more usable power out of your 8.1L V8 engine, especially at those crucial low and mid-range RPMs for towing or hauling, these Gibson Performance Headers are a solid choice. They're designed to replace your factory exhaust manifolds, making it easier for your engine to breathe and potentially leading to cooler operating temperatures. This means you can expect a noticeable improvement in torque and horsepower when you need it most, whether you're on the highway or tackling tougher jobs.
Gibson builds these headers with a heavy-duty 3/8 inch thick laser-cut port flange, which helps prevent warping and leaks, ensuring a solid seal. The tubing itself is made from 16-gauge 409L stainless steel, known for its durability, and it's mandrel-bent to maintain consistent diameter for optimal exhaust flow. A high-temperature ceramic coating is applied to withstand up to 1300 degrees Fahrenheit, adding an extra layer of protection and helping to keep under-hood temperatures down. They use OEM-style connections, so they're designed to bolt right up to your stock crossover pipe, and no welding is required for installation. Plus, they come with premium gaskets and hardware to make the job smoother.
These headers are a direct replacement for the factory manifolds and are well-suited for a variety of trucks, including models like the Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, and Chevrolet Avalanche 2500. They meet EPA and CARB requirements, making them 50-state street legal, and they won't affect your factory warranty. Gibson backs these headers with a lifetime limited warranty, giving you peace of mind with your investment.
Specifications
- Brand
- Gibson
- Manufacturer Part #
- GP131S-C
- UPC
- 677418009460
Frequently Asked Questions
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