Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
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$195.00 each
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Features, Description, Q&A, Specs & Installation
Improved Airflow. The S&B Turbo Inlet Manifold is engineered to optimize intake efficiency and reduce airflow restriction, delivering measurable performance benefits for 2004-2005 6.6L Duramax GMC Sierra 2500 HD models operating under demanding conditions. By significantly increasing airflow and improving turbo spool characteristics, this component supports lower exhaust gas temperatures and contributes to safer, more consistent engine operation.
Construction and Appearance. Crafted from machined and finished cast aluminum, this inlet manifold is built to handle high heat and pressure while maintaining precise internal shaping for smooth airflow. The combination of matte black and raw metal finishes gives it a purposeful, performance-oriented appearance that stands out in the engine bay without looking out of place. A machined S&B logo adds a refined visual detail, while the overall construction is designed to help reduce the chance of thermal runaway by promoting more efficient air delivery.
Installation. Designed as a direct replacement, installation is straightforward for experienced installers familiar with intake and turbo system components. The process typically involves removing the factory inlet and transferring necessary connections before securing the new manifold in place. Its adaptable design supports a versatile installation approach, though attention should be given to surrounding modifications, as compatibility may be affected by aftermarket body lifts, lowering kits, custom hoods, or throttle body spacers or upgrades.
Application. This S&B Turbo Inlet Manifold fits 2004-2005 6.6L Duramax GMC Sierra 2500 HD models. By improving airflow efficiency, enhancing turbo response, and helping manage operating temperatures, it enhances overall engine performance and reliability for drivers who expect more from their vehicle.
S&B 76-1006B
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
What's in the Box