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The Wehrli Stage 1 high-flow intake bundle for 2006–2007 LBZ Duramax replaces the OEM Y-bridge and intercooler plumbing with a bolt-together 3" two-piece Y-bridge and matched intercooler pipes. It creates a full 3" tract from intercooler to engine with a 3" hot-side and 3.5" cold-side, CNC flanges, upgraded boots and clamps, installation hardware, and a choice of custom powdercoat finish; the Stage 1 upgrade improves airflow and response.
Wehrli 06-07 GMC/Chevrolet 6.6L Duramax Stage 1 High Flow Intake Bundle Kit - Bengal Blue
