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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
6L L5P engines
Includes personalized back-and-forth tuning support until it's dialed in perfectly
- 100% Spun polyester for durability and wrinkle-resistance
High Output (HO)
making installation easier
2006-2007 LBZ WCFAB COLD AIR INTAKE WITH BOX Summer Outfit 6L L5P engines20062007 LBZ Duramax WCFAB Cold Air Intake with Air Box Give your LBZ Duramax the airflow it deserves with the WCFAB 4" Cold Air Intake System. Designed to replace the restrictive factory intake, this high flow intake features a large 4" aluminum intake tube, sealed air box, and premium dry filter assembly to help improve airflow, throttle response, and overall engine efficiency. Constructed from durable aluminum and finished in your choice of powder
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