Improve the sound and performance of your 2019–26 Chevy Silverado and GMC Sierra 5.3L with premium long tube headers from Stainless Works. American-Made and engineered for the EcoTec3 V8, these headers feature 1-7/8" primary tubes that are CNC mandrel bent to increase airflow, and engineered to create maximum power.
These headers come with 3" slip-fit collectors, as well as high-flow catalytic converters that flow into a crossover. Choose between a Performance Connect system that allows an easy connection to your Stainless Works exhaust or a Factory Connect system that uses a Y-pipe to connect to your stock exhaust or other aftermarket exhaust.
Built from corrosion-resistant 304 stainless steel and fully TIG welded for strength and durability at our state-of-the-art facility in Streetsboro, Ohio — engineered for long-term performance.
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American-made from raw material to finished product
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TIG welded by skilled craftsmen for strength and beauty
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Lifetime warranty on material and craftsmanship
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Direct bolt-on fit for 2019–26 Silverado/Sierra 5.3L
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Available in Factory Connect or Performance Connect
| Vehicle Fitment | 2019–26 Chevy Silverado / GMC Sierra 5.3L |
| System Type | Long Tube Header Kit |
| Primary Tube Size | 1-7/8" |
| Collector Size | 3" Slip-Fit |
| Catalytic Converters | EPA Compliant High-Flow |
| Connection Options | Factory Connect (Y-Pipe) — or — Performance Connect (X-Pipe) |
| Engine Compatibility | 5.3L Only — Does Not Fit 6.2L with 10-Speed Transmission |
| Material | 304 Stainless Steel |
| Welding | TIG Welded |
| Warranty | Lifetime |
| Origin | Made in USA — Streetsboro, Ohio |
⚠️ IMPORTANT FITMENT NOTE
Only fits 2019–26 5.3L engines. Does NOT fit the 6.2L with the 10-Speed Transmission.
This header system is available in two connection options to match your build:
Uses Y-pipe to connect to factory exhaust
Uses X-pipe for true 3" performance system
Sound Comparison and Features — 2019–26 Silverado 5.3L Long Tube Header System
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Driver & Passenger Side Headers
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Catted Leads x2
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X-Pipe
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Band Clamps x4
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Bolt Kit — 16 Pieces
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RTV Tube
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O2 Extensions x2
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Installation Instructions
Questions? Call us at 800-878-3635 | Mon–Fri 7:30am–4:30pm EST
Built To Order in 4 Weeks — Free Shipping on Orders $50+
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Qulity and install
This is by far the best kit I have ever bought. The attention to detail, with perfect welds. This and thr catback were installed on the ground with the tires on. Once the junk was removed, it took 5 minutes to install each heafer. FREAKING AMAZING! Paied with SW's catcack, there is ample improvement. (Can't wait for my ECM and TCM to get cack for tuning.
And awesome sound
