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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
No idle sound options (hiss
- Flow: 240 GPH — for high‑output builds (check fitment and compatibility)
Includes personalized back-and-forth tuning support until it's dialed in perfectly
The tuning must specifically support switch-on-the-fly (SOTF) functionality
and write capabilities
2006-2007 LBZ WCFAB COLD AIR INTAKE WITH BOX Summer Outfit No idle sound options (hiss20062007 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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