WCFAB 2001-2004 LB7 Duramax 4" Intake Kit with Air Box Powdercoating:Brizzle Blue (-BRZ) ** This feature is key

** This feature is key when maintaining a smooth ride and durability

This kit is for use with factory exhaust manifolds

The Mishimoto transmission cooler boasts a 41% greater core volume

- 1/8 NPT port (and optional plug) included in driver side manifold for installation of EGT or drive pressure sensor

These heavy gauge aluminum panels finish off the lower center cutout in the bumper providing a more aggressive look to lifted or leveled trucks

WCFAB 2001-2004 LB7 Duramax 4" Intake Kit with Air Box Powdercoating:Brizzle Blue (-BRZ) ** This feature is keyPowdercoat colors can be found here! WCFab 2001 2004 GM LB7 6. 6L Duram" 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 temperatures by