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The Wehrli Stage 1 High-Flow Intake Bundle Kit for 2001–2004 6.6L Duramax LB7 replaces the restrictive OEM Y-bridge and intercooler piping with a full 3" mandrel-bent aluminum intake tract. It features WCFab's TIG-welded, CNC-machined billet Y-bridge base, heavy-duty silicone boots and an FPRV block-off to improve turbo spool, throttle response and reliability under higher boost and temperature.
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Bundle Intake Kit - Cat Yellow
