Installation Time
(approx) 3 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Features, Description, Reviews, Q&A, Specs & Installation
Boost Your Truck’s Performance. Unlock the full potential of your 6.6L Duramax engine with the K&N Series 77 High Flow Performance Cold Air Intake. Designed to increase airflow and improve combustion efficiency, this intake system delivers noticeable gains in horsepower and torque. With enhanced throttle response and improved acceleration, your truck will perform better whether towing, hauling, or driving on the highway.
Durable Construction for Long-Lasting Performance. Featuring a high-quality aluminum intake tube, this system ensures durability while optimizing airflow. The included reusable high-flow air filter captures contaminants while maintaining superior air volume. Built for long-term use, this intake system enhances engine efficiency without the need for frequent maintenance.
Installation. This intake system installs using basic hand tools with no tuning required.
Application. This K&N Series 77 High Flow Performance Cold Air Intake fits 2004-2005 6.6L Duramax Sierra 2500 HD models.
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Installation Info
Installation Time
(approx) 3 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
What's in the Box
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