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Wehrli's Stage 1 high-flow intake bundle for 2001–2004 LB7 6.6L Duramax in gloss black replaces restrictive OEM Y-bridge and intercooler piping with a full 3" mandrel-bent aluminum tract and TIG-welded billet y-bridge. Included upgrades—silicone boots, FPRV block-off kit and bridge gaskets—create a bolt-on assembly intended to increase turbo efficiency and throttle response.
Wehrli 01-04 Chevrolet LB7 Duramax High Flow Intake Bundle Kit Stage 1 - Gloss Black
