S&B Filters 75-5102D Cold Air Intake with Dry Filter

MAXIMUM PERFORMANCE
Our cold air intake for the 2004-2005 Chevy / GMC Duramax LLY 6.6L was engineered to minimize air restriction and flows 41.33% better than stock. This kit comes with a fully enclosed airbox that protects the filter from dirt and keeps out engine heat.

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.