WCFab 2017-2019 GM L5P 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on your diesel for improved engine performance. All new design significantly increases air flow to your turbo producing improved horsepower and torque, quicker throttle response, and cooler intake temperatures by drawing cold air through the hood Ram Air duct and inner fender. All aluminum construction features large diameter 4" piping with smooth aerodynamic bends to improve intake air velocity, volume, and provide more aggressive engine and turbo sound during acceleration. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure optimum durability and ease of installation. Removable air box lid elementallows for easy visual inspection and maintenance of your WCFab filter with included hydrophobic pre-filter cover, to help keep your MAF sensor, turbo, and engine airways contaminant free. The critical ram air duct seal has been moved to the bottom of the hood for a clean engine compartment appearance. Full assembly finished in your choice of WCFab's signature custom powder coat colors for a look as unique as your truck.
Installation Instructions


This Part Fits:

YearMakeModelSubmodel2017-2019ChevroletSilverado 2500 HDHigh Country2017-2019ChevroletSilverado 2500 HDLT2017-2019ChevroletSilverado 2500 HDLTZ2017-2019ChevroletSilverado 2500 HDWT2017-2019ChevroletSilverado 3500 HDHigh Country2017-2019ChevroletSilverado 3500 HDLT2017-2019ChevroletSilverado 3500 HDLTZ2017-2019ChevroletSilverado 3500 HDWT2017-2019GMCSierra 2500 HDBase2017-2019GMCSierra 2500 HDDenali2017-2019GMCSierra 2500 HDSLE2017-2019GMCSierra 2500 HDSLT2017-2019GMCSierra 3500 HDBase2017-2019GMCSierra 3500 HDDenali2017-2019GMCSierra 3500 HDSLE2017-2019GMCSierra 3500 HDSLT.

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