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The Wehrli Stage 1 High Flow bundle for 2006–2007 Duramax LBZ replaces the weak OEM Y-bridge with a bolt-together 3" two-piece design and upsizes intercooler pipes to a full 3" hot side and 3.5" cold side. CNC flanges, mandrel bends and upgraded silicone boots with stainless t-bolt clamps reduce boost leaks and failure points. Bolt-on compatibility, includes hardware and seals, and is finished in custom powder coat for a clean, durable appearance.
Wehrli 06-07 Chevrolet Duramax LBZ Stage 1 High Flow Bundle Kit - Bronze Chrome
