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

FlasharkSKU: FLIS08759
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Sale price$114.23

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


  • 2004-2005 Chevrolet Silverado 2500HD 6.6L V8 Turbo Diesel LLY Engine
  • 2004-2005 Chevrolet Silverado 3500 6.6L V8 Turbo Diesel LLY Engine
  • 2004-2005 GMC Sierra 2500HD 6.6L V8 Turbo Diesel LLY Engine
  • 2004-2005 GMC Sierra 3500 6.6L V8 Turbo Diesel LLY Engine


  • 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


  • 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 w/polished
  • Allow maximum airflow through the stock manifold system and Intense deep sporty Sound
  • Improve throttle response throughout low and mid RPMFilter 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.

The air intake system starts with the air collector that feeds cool air to the air box. The airbox houses the air filter. Air is then drawn through a fixed tube that houses the mass airflow sensor, which measures the amount of air flowing through. The air then heads through flexible tubing and a plastic resonator before going to the electronically controlled throttle body. The ECU controls the throttle body, and primarily takes its input commands from the driver through the accelerator pedal. It also houses the throttle position sensor, so the ECU knows what position the butterfly valve is opened at. The throttle body is controlled by a small gear train and a DC electric motor. After the throttle body, airheads into the air intake plenum, which collects the air and splits it into individual ports for each cylinder. The intake plenum bolts to the air intake manifold, which have specially designed runners that allow for the mixture of air and fuel just before entering the cylinder head, above the valves.

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