The K&N 50-1583D is a NextGen Diesel Dryflow intake built around the 6.7L inline-six turbodiesel in 2019 through 2024 Ram 2500 and 3500 trucks. Its high-density polyethylene tube is rotationally molded and the hybrid airbox is semi-enclosed, which the manufacturer says helps lower intake air temperatures. The manufacturer's estimates are 16.7 hp at 2100 RPM and 40 lb-ft of torque at 2052 RPM, with a 29.9% airflow gain, and it states no tune is required. Treat these as estimates, since they are not guaranteed dyno results. Compared with the factory setup, the real draw is a washable, reusable filter, and the oversized Dryflow filter has a radius-entry inlet that the manufacturer says improves airflow. Some owners on user forums argue the factory intake already flows enough for stock and modest builds, so set expectations around sound, filter servicing, and a cleaner engine bay rather than large gains.
If you're searching for a 2019-2024 Ram 2500 6.7 Cummins cold air intake, a reusable Dryflow diesel air filter, or a no-tune Cummins intake upgrade, this kit covers those needs. The manufacturer's fitment list covers both the 2500 and 3500 in each model year from 2019 through 2024. Its Quick-Lock design secures the system with minimal hardware and a single hose clamp. The install is a practical weekend job for a home mechanic. The manufacturer's instruction sheet says a typical installation takes around an hour, though first-time installers should plan for longer.
The manufacturer states that the listed horsepower and torque estimates are achieved with no tune required. Results will still vary by truck, so confirm with the manufacturer if you have a specific tuning plan.
The manufacturer lists fitment for the 2019, 2020, 2021, 2022, 2023, and 2024 Ram 2500 and Ram 3500 with the L6 6.7L diesel engine.
The manufacturer notes that this product is not legal for sale or use in California on any pollution-controlled motor vehicle.
Per the manufacturer's installation sheet, start by turning off the ignition and disconnecting the negative battery cable. Disconnecting the battery erases stored electronic memory settings, so write down radio presets first, and have your anti-theft radio code ready in case it is required. The job includes transferring the MAF and intake air temperature sensors to the new tube, attaching the hump hose to the turbo, and reinstalling the upper core support plastic cover and fresh-air duct. Take care with the sensor gaskets and clamps, since the manufacturer's instructions warn that failing to follow them correctly can cause problems. Budget about an hour for a typical install, and plan extra time for the first time through.
