Description 2004-2005 6.6L LLY GM Duramax S&B Cold Air Intake Options: 75-5102 – Cotton Cleanable Media 43.69% Airflow Improvement 99.52% Efficiency Rating 75-5102D – Dry Extendable Media 41.33% Airflow Improvement 99.78% Efficiency Rating Make Sure It Fits Is your vehicle a LB7 or LLY, 2004 models could be either. Check the eighth digit of your VIN to find out. If it’s a 2 you’ve got a LLY and you’ll need this kit. If it’s a 1 you’ve got an LB7 and need the 75-5101 kit. Maximum Performance Our cold air intake for the 2004-2005 Chevy / GMC Duramax LLY 6.6L was engineered to minimize air restriction and flows better than stock. This kit comes with a fully enclosed airbox that protects the filter from dirt and keeps out engine heat. Maximum Airflow Our airbox provides an additional air intake in the bottom of the air box for maximum airflow. We also include a large silicone fender seal to keep the hot air out. Protect Your Engine This kit comes with a massive, highly-efficient air filter which results in better performance and protects your engine. Available in either 8-layer Cotton Cleanable or Dry Extendable media. Quick and Easy Install Designed to fit better than the stock intake. You’ll be breathing easy in 45 minutes. Easy Filter Maintenance The S&B Intake for the LLY Duramax features our signature snap-in clear lid so you can easily inspect your filter and service it when needed. Simply remove the lid with the pull tab and loosen the filter hose clamp to remove the filter.
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