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Wehrli's Stage 1 high-flow intake bundle for 2001–2004 LB7 6.6L Duramax replaces the OEM Y-bridge and intercooler pipes with a full 3" mandrel-bent aluminum tract and TIG-welded billet y-bridge to improve throttle response and turbo spool. The kit includes upgraded silicone boots, a FPRV block-off kit, gaskets and 14-ga aluminum construction, and is offered in a flat black finish as a bolt-on upgrade.
Wehrli 01-04 Chevrolet LB7 Duramax High Flow Intake Bundle Kit Stage 1 - Flat Black
