S&B Cold Air Intake For 2001-2004 Chevy & GMC Duramax LB7 6.6L Diesel Filter Type:Dry Extendable sealing off one inlet can

sealing off one inlet can help maintain cooler air for your engine

Upgrading your downpipe unlocks power

and enhanced efficiency by isolating engine heat for better performance

This upgrade replaces both stock fuel lines with one upgraded continuous fuel line from the fuel tank to the HPFP and adds the ethanol sensor

S&B Cold Air Intake For 2001-2004 Chevy & GMC Duramax LB7 6.6L Diesel Filter Type:Dry Extendable sealing off one inlet canEnhance the performance of your 2001 2004 Chevy or GMC Duramax LB7 6. 6L Diesel with the S&B Cold Air Intake, expertly engineered for maximum airflow and efficiency. This intake system minimizes air restriction, providing an impressive 44. 63% better airflow than stock, ensuring your engine operates at its best. Key Features Fully Enclosed Airbox: Designed to protect the air filter from dirt and keep out engine heat, our airbox promotes optimal