K&N 63-1537

63 Series Aircharger Kits > Performance Intake Kit
List Price: $630.07
Your Price: USD $347.99

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The K&N AirCharger 63-1537 air intake system replaces the restrictive factory air filter and air intake housing in some Dodge Ram models. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your Ram’s engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine’s RPM range. The 63-1537 air intake comes with a chrome topped K&N high-flow oval air filter and a heat shield that installs into the previous air box space. The placement allows air to be directed through a custom molded intake tube into the engine’s throttle body for a guaranteed power gain. The oversized air filter can be used for up to 100,000 miles before servicing is needed depending on driving conditions. This air intake is relatively easy to install requiring only a screwdriver, socket set and several wrenches. This air intake cannot be sold in California. It is not legal for use in California or other states adopting California emission standards.

[More Information on K&N AirCharger Air Intakes]
  • Guaranteed horsepower gain
  • Designed to improve throttle response and engine sound
  • Free-flowing high density polyethylene tube
  • Replaces entire factory air intake system
  • Not legal for highway use in states adopting California emission regulations
  • Lasts up to 100,000 miles before service is required (depending on driving conditions)
  • Easy to install, usually in 90 minutes or less
  • K&N Million Mile Limited Warranty

Product Specifications

Estimated Horsepower Gain7.38 HP @ 5223 RPM
Air Filter ColorRed
Air Filter Height7.5 in (191 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
California RestrictedNot legal for sale or use in California
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included5
Couplers Included2
Intake Pipe Color / FinishBlack
Intake Pipe MaterialHigh-Density Polyethylene
Product Box Height12.5 in (318 mm)
Product Box Length18.25 in (464 mm)
Product Box Width18.25 in (464 mm)
Product Style63 Series Aircharger Kits
Replacement FilterRF-1040
Street Legal In All US States No
TUV Approved (Europe)No
Weight15.6 lb (7.1 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

Customer Feedback

Be the first to review part 63-1537
Awesome sound and increased performance from 5,000-6000 rpm range Dodge ram 1500 hemi 8spd 391 diff

Air Intake performs great on my 2015 Ram 1500 4x4 Hemi, easy to install. I had one part missing out of box. I called K&N and they sent part that was missing in 2 days. I would purchase product again.

Katy, TX
The 71-1561, 2009-2014 Ram 1500 and 2013-2014 Ram 2500 V8-5.7L HEMI, is a great mod for your RAM with instant results The instructions were good but some points I would like to share. I installed this induction system Friday the 13th of June, 2014. UPDATE: Re-installed on my 2015 RAM Sport Reference the IAT, Inlet Air Temperature, sensor two things to note. (1) Handle with care and confirm no debris on the end of the sensor, my application was blue in color. (2) Orientation of the IAT sensor should be in line with the flow of air inside the tube. Just take note how the IAT is positioned on the OEM intake tube when removing. I applied a very small amount of petroleum jelly on the oring, confirm you seat the IAT fully into the grommet and in the correct orientation. As far as the intake tube fitting many are complaining that they have broken, stating is cheap, etc., contacted K&N, which they have replaced for no charge great customer service BTW But if you follow the instructions it states the following: Plastic NPT (National Pipe Thread?) fittings are easy to cross thread. Install the vent fitting 'hand' tight then turn it two complete turns with a wrench. I used the box end with no problems/issues. The fitting will show approximately 3 threads left and I feel installers observe this and crank it down & snap the fitting. Bottom line of course is to take the time to read the instructions completely, then confirm parts and organize, then start with step 1 and have fun. Make it a slow process and enjoy the moment of your installation of your new mod Then as you stand back admiring your work, treat yourself to your favorite beverage. PS Don't forget to take before and after pics