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The K&N 50-1592D NextGen Dryflow Cold Air Intake is the best oil-free performance intake upgrade for 2013-2018 RAM 2500/3500 trucks with the 6.7L Cummins Turbo Diesel engine. Featuring a high-density polyethylene (HDPE) rotomolded tube, massive oversized Dryflow synthetic air filter, and sealed airbox design, this system delivers dyno-proven gains in horsepower and torque with no tune required – perfect for heavy towing, daily driving, or maximizing the power of your Cummins-powered RAM while eliminating messy oiling maintenance.
Key Features
- NextGen Dryflow Filter: Oil-free synthetic media with up to 99% filtration efficiency – washable and reusable up to 50,000 miles
- Rotomolded HDPE Tube: Smooth, large-diameter induction tube reduces restriction and improves airflow to the turbo
- Custom Airbox Design: Protects intake from engine bay heat for cooler, denser air charge
- Easy Two-Step Cleaning: No oil required – simple clean and dry process for convenience
- Mass Air Flow Sensor Adapter: Included for precise fitment and stock calibration compatibility
- Stainless Steel Clamps: Premium hardware with inner protective liner for secure, leak-free installation
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2013-2018 | Ram | 2500 | Big Horn, Laramie, Laramie Limited, Laramie Longhorn, Limited, Lone Star, Outdoorsman, SLT, additional manufacturer-listed applications |
| 2013-2018 | Ram | 3500 | Big Horn, Laramie, Laramie Limited, Laramie Longhorn, Limited, Lone Star, SLT, ST, additional manufacturer-listed applications |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 50-1592D |
| Product Type | Cold Air Intakes |
| Fitment Type | Vehicle Specific |
| Condition | New |
What's Included
One new K&N cold air intakes identified by manufacturer part number 50-1592D. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.
About K&N Engineering
K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.
Related K&N Engineering Products
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Frequently Asked Questions
How do I confirm K&N 50-1592D fits my vehicle?
Match the year, make, and model in the fitment table, then confirm the engine, factory housing, sensor layout, emissions notes, and any application restrictions stated for this exact part.
Does K&N 50-1592D require tuning or emissions verification?
Requirements vary by vehicle and intake configuration. Check the current K&N application and emissions notes, and complete any required calibration before full-load operation.
What should be checked after installing K&N 50-1592D?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.
Installation Instructions
- Estimated time: 60-90 minutes, moderate difficulty, basic hand tools required
- Direct bolt-on replacement for factory airbox – includes all hardware and MAF adapter
- Check for proper sealing and alignment – professional installation optional
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