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The WCF Stage 2 High Flow Intake Bundle is a complete air plumbing upgrade for 2003–2007 Dodge Ram 2500/3500 trucks with the 5.9L Cummins, combining a 4" intake, 3" hot‑side intercooler pipe and 3.5" cold‑side pipe with upper intake horn. Mandrel‑bent 14‑gauge piping, CNC billet fittings, silicone boots and clamps improve flow and reliability; the cold side is proven to flow about 60% better than stock and the kit saves roughly $50 versus buying parts individually.
Wehrli 03-07 Dodge 5.9L Cummins High Flow Intake Bundle Kit - Brizzle Blue
