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Wehrli's Stage 2 intake kit for 2011–2016 6.6L Duramax LML upgrades the factory intake with a 4-inch aluminum intake pipe, air box, dry filter, and a 4.8-inch cast aluminum turbo intake horn to improve airflow and throttle response. The bolt-on assembly includes silicone boots, stainless t-bolt clamps, O-rings and installation hardware, a removable air box lid with pre-filter cover, and requires a 2012-spec PCV update on 2011 trucks for correct fitment.
Wehrli 11-16 Chevrolet 6.6L Duramax LML 4in Intake Kit Stage 2 - WCFab Red
