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Wehrli Stage 2 4" intake kit with air box for 2004.5–2005 Chevy LLY Duramax replaces restrictive factory plastic parts with a high-flow aluminum intake and dry filter assembly. The system features 4" piping, a 4.8" cast aluminum turbo intake horn, silicone boots, stainless T-bolt clamps, and a removable air box lid with a hydrophobic pre-filter cover. It's a bolt-on kit that requires no tuning as described.
Wehrli 2004.5-2005 Chevrolet LLY Duramax 4in Intake Kit with Air Box Stage 2 - Chevy Orange
