The K&N 63-6018 is a cold-air intake for the 5.6L V8 in the 2017 Nissan Armada, and the manufacturer lists it for later Armada model years as well. It replaces the factory air filter and intake tube with a roto-molded HDPE tube, an oversized washable oiled cotton filter, and a custom heat shield that helps keep intake air away from engine bay heat. This is a Nissan Armada 5.6 V8 cold air intake upgrade built around airflow rather than a generic drop-in filter.
Compared with stock or a cheap disposable-filter kit, the main reason to choose this system is ongoing cost and convenience. The manufacturer says the filter only needs cleaning about every 100,000 miles under normal highway driving, so you avoid repeat filter purchases. The manufacturer guarantees a horsepower and torque increase and lists an estimated gain of 10.66 HP at 5,388 RPM, though that figure is taken from a dyno chart for a 2012 Infiniti QX56 with the same 5.6L V8. Installation is a practical bolt-on job for a home mechanic, and the manufacturer's install guidance suggests it takes roughly an hour, with some estimates running closer to 90 minutes. Buyers searching for a 2017 Armada cold air intake, K&N 63-6018 install, or a Nissan 5.6 V8 intake that does not void warranty should confirm fitment and local legality before ordering.
The manufacturer lists this intake for the Nissan Armada V8-5.6L from 2017 through 2023. Because fitment listings can vary, confirm your model year with the manufacturer before ordering.
No. The manufacturer states this intake is not legal for sale or use in California.
The manufacturer says the washable oiled cotton filter only needs cleaning about every 100,000 miles under normal highway driving conditions.
Yes. According to the manufacturer, the system replaces the factory air filter and intake tube.
The manufacturer indicates a typical installation takes around an hour, while other published estimates run up to 90 minutes, so plan for a longer session the first time. The kit replaces the factory air filter and intake tube and includes mounting hardware. Check the manufacturer's installation instruction sheet for the exact steps, torque specifications, and any routing details before you start.
