WCFAB 2004.5-2005 LLY Duramax 4" Intake Kit with Air Box Stage 2 Powdercoating:Semi Gloss Black (-SGB) - Includes new gaskets for

- Includes new gaskets for manifold to cylinder head

Allow the engine to fully warm up before continuing normal operations

5" lightweight mandrel-bent aluminum tubing

TIG-welded high-flow billet steel components

- CNC Machined Flange with Double O-Rings provides an improved sealing surface to eliminate boost leaks

WCFAB 2004.5-2005 LLY Duramax 4" Intake Kit with Air Box Stage 2 Powdercoating:Semi Gloss Black (-SGB) - Includes new gaskets forPowdercoat colors can be found here! WCFab 2004. 5 2005 GM LLY 6. 6L Duramax Stage 2 Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on your diesel for improved engine performance. All new design significantly increases air flow to your turbo producing improved horsepower and torque, quicker throttle response, and cooler intake