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The K&N 63-1591 Air Intake System delivers massive airflow gains for 2021-2023 Ram 1500 TRX models equipped with the supercharged 6.2L V8 Hellcat engine. This kit replaces the factory restrictive setup with a high-flow design including a larger hood scoop inlet oversized washable filter and mandrel-bent aluminum tube for an estimated 29 horsepower increase at 6300 RPM and 40 lb-ft torque gain at 4100 RPM. Drivers experience enhanced engine and supercharger sound while retaining the factory T-Rex eating Raptor shroud graphic.
Key Features
- Oversized High-Flow Filter: 20 1/8 inch long washable reusable oiled cotton media filter boosts airflow capacity and filtration for sustained performance.
- Performance Gains: Dyno-tested 29 HP at 6300 RPM and 40 lb-ft torque at 4100 RPM increases plus 27 degree F charge air temp drop.
- Redesigned Hood Scoop Inlet: Larger ram air scoop improves airflow volume over stock unit directing more cool dense air to the massive K&N intake.
- Enhanced Sound: Open intake design amplifies aggressive supercharger whine and V8 rumble for thrilling drive.
- Bolt-on design installs in under 90 minutes using factory mounting points no cutting or drilling required.
- Over 50 years crafting high-flow air filters trusted by millions of drivers.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2021-2023 | Ram | 1500 | TRX, TRX Launch Edition |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 63-1591 |
| 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 63-1591. 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
- Shop all K&N Engineering products
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Frequently Asked Questions
How do I confirm K&N 63-1591 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 63-1591 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 63-1591?
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
- Bolt-on design installs in under 90 minutes using factory mounting points no cutting or drilling required
- Compatible with stock hardware and air box location
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