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This K&N NextGen cold air intake system fits 2019-2024 Ram 1500 models with the 5.7L V8 engine. It delivers a 36.45% increase in airflow volume, adding 14.3 horsepower at 5800 RPM and 15.1 lb-ft of torque at 3900 RPM with no computer tune required. The system features a washable DryFlow air filter and installs in less than 60 minutes for immediate performance gains.
Key Features
- Performance Gains: Adds 14.3 HP at 5800 RPM and 15.1 lb-ft torque at 3900 RPM without ECU tuning.
- DryFlow Lifetime Air Filter: Oil-free synthetic media is washable and reusable with a simple two-step cleaning process.
- Oversized Conical Filter Design: Supports up to 50,000 miles between services under normal highway conditions.
- Complete bolt-on system includes all hardware for straightforward replacement of stock intake.
- Includes heat shield, filter, tube, couplers and clamps for direct OEM replacement compatibility.
- Rotationally Molded HDPE Intake Tube: High-density polyethylene construction expands airflow volume by 36.45% for dyno-proven power increases.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2019-2024 | Ram | 1500 | Big Horn, Laramie, Laramie Longhorn, Limited, Limited Longhorn, Lone Star, Longhorn, Rebel, additional manufacturer-listed applications |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 50-1578D |
| 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 50-1578D. 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 50-1578D 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 50-1578D 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 50-1578D?
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
- Typically installs in less than 60 minutes using basic hand tools with no cutting or permanent modifications
- Includes heat shield, filter, tube, couplers and clamps for direct OEM replacement compatibility
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