Unlock the full potential of your 2004-2005 Chevy or GMC Duramax LLY 6.6L with the S&B Cold Air Intake, engineered for maximum performance. This intake system minimizes air restriction and boasts an impressive 43.69% better airflow than stock, ensuring your engine breathes freely.

Features

• Fully Enclosed Airbox: Designed to protect the air filter from dirt and prevent engine heat from affecting performance, our airbox promotes optimal airflow for your Duramax engine.

• High-Efficiency Air Filter: This kit includes a massive air filter available in 8-layer Cotton Cleanable or Dry Extendable media, enhancing performance while effectively safeguarding your engine.

• 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.

Fitment

• 2004-2005 Chevrolet Silverado 2500 6.6L Diesel (LLY)
• 2004-2005 Chevrolet Silverado 3500 6.6L Diesel (LLY)
• 2004-2005 GMC Sierra 2500 6.6L Diesel (LLY)
• 2004-2005 GMC Sierra 3500 6.6L Diesel (LLY)

Document

ISO 5011 Results

View Instructions

Upgrade your Duramax LLY with the S&B Cold Air Intake to experience enhanced throttle response, increased horsepower, and improved overall engine efficiency. Don’t settle for less—demand better, demand S&B!