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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
The fully enclosed aluminum air box helps pull in cooler outside air while protecting the filter from engine bay heat
- Flow: 240 GPH — for high‑output builds (check fitment and compatibility)
Helps prevent common 68RFE overheating issues
making installation easier
2006-2007 LBZ WCFAB COLD AIR INTAKE WITH BOX Summer Outfit The fully enclosed aluminum air20062007 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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