Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - Illusion BlueberryThe OEM components between the turbo and engine? Check out the WCFab Stage 1 High Flow Intake Bundle Kit for the 2001 2004 6. 6L Duramax. This kit replaces the restrictive OEM LB7 Y bridge, passenger side intercooler pipe, and driver side intercooler pipe with a high flow, 3" mandrel bent aluminum piping kit feeding WCFab's signature TIG welded, CNC machined billet y bridge base to help increase throttle response, turbo spool up, and reduce EGTs by
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