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The Wehrli Stage 2 high-flow intake bundle for 2001–2004 Duramax LB7 integrates a full 3-inch intake tract with a 4-inch high-flow intake and air box to replace restrictive factory hardware, improving airflow, turbo spool and throttle response. Included are a dry air filter with hydrophobic pre-filter cover, removable air box lid, silicone boots, stainless t-bolt clamps, MAP sensor seal, FPRV block-off kit and a durable powder coat finish; save versus buying parts separately.
Wehrli 01-04 Duramax LB7 Stage 2 High Flow Intake Bundle Kit - WCFab Red
