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The Wehrli Stage 1 high-flow intake bundle for 2006–2007 LBZ Duramax in WCFab Grey replaces the weak OEM Y-bridge with a bolt-together 3" two-piece Y-bridge and matched intercooler plumbing. The kit provides a full 3" tract, 3" hot-side and 3.5" cold-side pipes, CNC flanges, upgraded silicone boots and stainless T-bolt clamps, required hardware and seals, and a custom powdercoat finish; it is sold as a bolt-on Stage 1 upgrade to improve airflow and reliability.
Wehrli 06-07 GMC/Chevrolet 6.6L Duramax Stage 1 High Flow Intake Bundle Kit - WCFab Grey
