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Thermostat Clarification (IMPORTANT)
the throttle valve connection features a barbed end designed specifically to grip your aftermarket cold-side intercooler boot
2022 TRUCKS ONLY NOTICE: You must let us know if your truck has been ecm swapped or not
Enclosed Airbox: Blocks out hot engine air for cooler
we cover return shipping)
2007.5-2010 LMM WCFAB 4" INTAKE KIT WITH AIR BOX (WCF100193) FINISH:BENGAL RED Thermostat Clarification (IMPORTANT)Upgrade 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