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The Wehrli Stage 1 high-flow intake bundle for 2001–2004 Duramax LB7 replaces the stock Y-bridge and intercooler pipes with heavy-duty mandrel-bent 3-inch aluminum tubing and a TIG-welded, CNC-machined billet Y-bridge base to improve throttle response, turbo spool and reduce EGTs. Kit includes upgraded silicone boots, clamps, O-ring gaskets and an FPRV block-off kit. Constructed from 14 ga. aluminum and finished in custom powder coat; made in the USA.
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - Illusion Blueberry
