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The WCFab Stage 2 4" intake kit with air box for 2004.5–2005 GM LLY 6.6L Duramax adds a high-flow 4.8" cast aluminum turbo intake horn to the fabricated aluminum piping and enclosure to remove OEM restrictions and improve turbo spool and top-end power. The bolt-on Stage 2 kit includes a dry filter with pre-filter cover, silicone boot, stainless t-bolt clamps, installation hardware and a custom powdercoat finish; compatible with VGT-style turbos.
Wehrli 2004.5-2005 LLY Duramax 4in Intake Kit with Air Box Stage 2 - Red
