S&B Filters Cold Air Intake, Cotton Cleanable / Dry Extendable Filter [75-5068]

A cold air intake replaces the factory airbox and tubing with a larger, less restrictive setup that draws cooler air from outside the engine bay. On a diesel this mostly shows up as slightly quicker turbo response and a louder induction whistle rather than a big power number.

why this one — This fills the gap for the 2013-2018 Cummins, which sits between the two S&B kits already listed here. S&B publishes real bench numbers for it, roughly 55% more airflow at 99.55% filtration on the cotton filter, and you can pick oiled cotton or dry media at the same price. The honest downside is that S&B publishes no horsepower claim at all for this kit, so treat any specific hp figure you see quoted elsewhere as marketing rather than measurement.