Kooks 1-7/8" Long Tube Headers & Catted Connection Kit (2862H420) - GM 1500 5.3L
Upgrade your GM 1500 Series truck with proven performance using the Kooks 1-7/8-inch Stainless Steel Long Tube Headers and Catted Connection Kit. Designed for modern 5.3L applications, this system improves exhaust flow, throttle response, and overall power while retaining catalytic converters for a balanced street-driven setup.
This complete kit includes Kooks’ 1-7/8-inch T304 stainless steel long tube headers paired with a stainless steel catted Y-pipe that connects at the OEM exhaust location. Mandrel-bent primaries, precision welding, and durable construction ensure long-term reliability under demanding conditions. It’s an ideal solution for truck owners looking to gain performance without stepping into a full competition-only configuration.
Features
- 1-7/8-inch mandrel-bent primary long tube headers
- Premium T304 stainless steel construction
- 3-inch collectors for improved exhaust flow
- Stainless steel catted Y-pipe included
- 3-inch to 2.75-inch OEM-style outlet connection
- Direct connection to factory exhaust location
- Designed to increase horsepower and torque
- Excellent balance of performance and drivability
Fitment
- 2019 Chevrolet Silverado 1500 5.3L
- 2020 Chevrolet Silverado 1500 5.3L
- 2021 Chevrolet Silverado 1500 5.3L
- 2022 Chevrolet Silverado 1500 5.3L
- 2023 Chevrolet Silverado 1500 5.3L
- 2024 Chevrolet Silverado 1500 5.3L
- 2019 GMC Sierra 1500 5.3L
- 2020 GMC Sierra 1500 5.3L
- 2021 GMC Sierra 1500 5.3L
- 2022 GMC Sierra 1500 5.3L
- 2023 GMC Sierra 1500 5.3L
- 2024 GMC Sierra 1500 5.3L
- 2021 Chevrolet Tahoe 5.3L
- 2022 Chevrolet Tahoe 5.3L
- 2023 Chevrolet Tahoe 5.3L
- 2021 Chevrolet Suburban 5.3L
- 2022 Chevrolet Suburban 5.3L
- 2023 Chevrolet Suburban 5.3L
- 2021 GMC Yukon 5.3L
- 2022 GMC Yukon 5.3L
- 2023 GMC Yukon 5.3L
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