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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
¼ mile times and more
Fits select wheelbase and cab configurations (Crew Cab and Mega Cab short bed models) — verify exact vehicle compatibility before ordering
✔ Optimized performance for stock or modified trucks
Enclosed Airbox: Blocks out hot engine air for cooler
Thermostat Clarification (IMPORTANT)
2007.5-2010 LMM WCFAB 4" INTAKE KIT WITH AIR BOX (WCF100193) FINISH:BENGAL RED ¼ mile times and moreUpgrade your 2007. 52010 LMM Duramax with the WCFab 4" Intake Kit with Air Box (WCF100193), engineered for increased airflow, improved throttle response, and long lasting durability. This system replaces the restrictive factory intake with a large 4 inch fabricated aluminum intake tube, allowing your engine to breathe more efficiently and perform at a higher level. The fully enclosed air box is designed to reduce heat soak by pulling in cooler outside
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