Cold Air Intake for 2001-2004 Chevy/GMC 2500HD/3500HD LB7 6.6L Duramax | SPELAB LLY Duramax proper wiring practices and safety

proper wiring practices and safety precautions must be followed

The intake kit includes a custom black powder-coated heat shield that isolates the air filter from engine heat—clearly visible in the product photos—helping your LLY Duramax cold air intake pull in cooler

This product is a straight muffler delete pipe only

billet aluminum covers are typically stronger and more durable than cast aluminum covers due to their superior material properties and manufacturing process

Cold Air Intake for 2001-2004 Chevy/GMC 2500HD/3500HD LB7 6.6L Duramax | SPELAB LLY Duramax proper wiring practices and safetytab Description Description The 2001 2004 6. 6L LB7 Duramax set the standard for heavy duty diesel performance, but its restrictive factory intake system is choking its true potential. A starved turbo results in frustrating throttle delay and sluggish performance, especially when hauling heavy loads. The Aftermarket Intake Trap: Upgrading your intake shouldn't cause a headache. Unfortunately, many aftermarket intakes for the LB7 suffer from poorly