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Wehrli Stage 2 4" Intake Kit for 2006–2007 Duramax LBZ pairs a large-diameter intake and air box with a 4.8" cast aluminum turbo intake horn to reduce restrictions and improve turbo spool and high-end power. The assembly includes a dry filter with hydrophobic pre-filter cover, silicone boot, stainless T-bolt clamps and necessary hardware. It installs with basic hand tools as a bolt-on upgrade and does not require tuning.
Wehrli 2006-2007 LBZ Duramax 4in Intake Kit with Air Box Stage 2 Gloss Black
