Cold Air intake kit for 2004-2005 Chevy Silverado / GMC Sierra 2500HD/3500 V8 6.6L Duramax LLY

Cold Air intake kit for 2004-2005 Chevy Silverado / GMC Sierra 2500HD/3500 V8 6.6L Duramax LLY

This cold air intake system is engineered to enhance the performance of your 2004 or 2005 Silverado cold air intake model with a 6.6 Duramax LLY engine. By increasing airflow, it boosts horsepower and torque, improving throttle response and fuel efficiency. It is also compatible with GMC Sierra cold air intake models, providing a perfect fit for these powerful trucks. Easy to install with no additional parts required, this cold air intake kit is a simple yet effective upgrade for your Duramax LLY engine.

Specifications:

• Brand: Flashark
• Type: Cold Air Intake Kit
• Include 1X Performance Cold Air Intake
• Style: Heat Shield Cold Air Intake
• Color: Polished Pipe | Red Filter
• Material: Aluminum Piping
• Filter: Washable and Reusable

Features:

• Air intake kits can help your engine to draw more cold air, resulting in better throttle response and higher explosive horsepower outputIntake pipe made by lightweight T-304 aluminum with w/polished
• Allow maximum airflow through the stock manifold system and Intense, deep sporty Sound
• Improve throttle response throughout low and mid RPM. The filter is upgraded to high high-quality washable and reusable cone air filter
• This air intake kit will increase 7-10% of Horsepower and 6-8% of Torque
• Easy to install and easy to fit with simple tools
• No additional parts will be needed for installation after you purchase this kit
• All mount accessories are included, exactly the same as the picture shown
• A more efficient combustion process facilitated by the increased airflow can also contribute to better fuel economy. With a richer air-to-fuel ratio, the engine can burn fuel more completely, reducing wasted fuel and improving mileage.
• By providing cleaner and cooler air to the engine, an air intake kit can help reduce the risk of engine damage caused by contaminants or overheating.

How Does the Cold Air Intake System Work?

The cold air intake system for your 2004-2005 Chevy Silverado or GMC Sierra 6.6L Duramax LLY engine begins with an air collector that draws in cool air and channels it to the airbox, where the air filter ensures only clean air enters the engine. The air then passes through a tube with a mass airflow sensor, measuring the amount of air flowing in. From there, it travels through flexible tubing and a resonator before reaching the throttle body, controlled by the ECU based on input from the accelerator pedal.

Once the air passes through the throttle body, it moves into the air intake plenum, where it’s directed into each cylinder for combustion. This efficient airflow boosts engine performance, improves throttle response, and enhances fuel economy—ideal for your Duramax cold air intake needs.