High Flow Bundle Kit Stage 2 for 2007.5-2010 Duramax LMM Sparkle Granny Smith

The Wehrli 100438-SGS is a Stage 2 High Flow Intake Bundle Kit for 2007.5-2010 LMM Duramax Diesel engines. This kit includes a 4" aluminum intake pipe with an air box enclosure, dry filter, and Outerwears pre-filter cover. It also features a 4.8" intake horn (20% airflow improvement over stock), 3" hot side intercooler pipe, and a 3.5" cold side intercooler pipe (47% airflow improvement over stock). The kit is completed with a WCFab Signature 3" two-piece Y-Bridge, upper crossover, and lower intercooler pipes, offering 36% better flow than stock. All components are constructed from 14-gauge and 10-gauge aluminum, feature CNC machined flanges with double O-ring seals, silicone boots, and stainless steel T-bolt clamps. It retains factory connection points and sensors, requires no tuning, and is a direct bolt-on for stock trucks. It is available in custom powder coat finishes and is made in the USA. This product cannot ship to California due to Prop 65 Warning. CSF Aftermarket intercoolers may require modification/grinding for installation.