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The Wehrli Stage 2 high-flow intake bundle for 2001–2004 Duramax LB7 combines the Stage 1 bundle and Stage 2 intake kit into one package to provide a full high-flow intake path. It replaces restrictive Y-bridge and factory plastic parts with a 3-inch mandrel-bent tract plus a 4-inch intake, sealed air box and dry filter with pre-filter cover. Includes silicone boots, stainless t-bolt clamps, MAP sensor seal, FPRV block-off kit and a durable powder-coated finish.
Wehrli 01-04 Duramax LB7 Stage 2 High Flow Intake Bundle Kit - Bronze Chrome
