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The Wehrli Stage 2 High Flow Intake Bundle for 2001–2004 LB7 Duramax replaces restrictive OEM plastic parts with large-diameter aluminum piping and a TIG-welded billet y-bridge to improve airflow, turbo spool and throttle response. The kit includes a 4" intake horn, dry filter with hydrophobic pre-filter, silicone boots, clamps and an FPRV block off for a complete, durable cold-air upgrade.
Wehrli 01-04 Duramax LB7 Stage 2 High Flow Intake Bundle Kit - Candy Teal
