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The Wehrli WCF Y-Bridge Kit is a Stage 1 high-flow intake bundle for 2001–2004 Duramax LB7 applications. Offered in WCFab Grey, this intake bundle targets improved airflow for early LB7 Duramax trucks. The kit bundles Wehrli’s intake components into a direct application package intended to support higher-flow setups while maintaining fitment for the specified model years.
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - WCFab Grey
