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The Wehrli Stage 1 High Flow bundle for 2006–2007 Duramax LBZ replaces the OEM slip-fit Y-bridge with a bolt-together 3" two-piece bridge and includes 3" hot and 3.5" cold intercooler pipes with mandrel bends and CNC flanges. Upgraded silicone boots and stainless t-bolt clamps improve sealing under boost to reduce leaks and failures. The kit installs with basic tools, includes required hardware, and is finished in custom powder coat for a factory-clean look.
Wehrli 06-07 Chevrolet Duramax LBZ Stage 1 High Flow Bundle Kit - Chevy Orange
