2020-2026 Duramax 4" Intake Kit w/ Air Box (WCF100684)

Wehrli's 4" High flow intake kit for your L5P is the perfect upgrade for improved horsepower & torque, with quicker throttle response, and cooler intake temperatures; fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the L5P Duramax for improved engine performance, intake air velocity, volume, and provide more aggressive engine and turbo sound during acceleration.