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The Wehrli Stage 2 high-flow intake bundle for 2001–2004 Duramax LB7 replaces restrictive OEM Y-bridge, intercooler pipes and airbox parts with a fabricated 3-inch intake tract, a 4-inch high-flow air intake and an enclosed air box with removable lid. The kit includes a dry filter with pre-filter cover, silicone boots, stainless t-bolt clamps, MAP sensor seal, FPRV block-off kit and durable powder coating; it creates improved turbo airflow, throttle response and reduced EGTs.
Wehrli 01-04 Duramax LB7 Stage 2 High Flow Intake Bundle Kit - Cat Yellow
