cONSUMER Articles
PROVE IT!
We put horsepower claims from Royal Purple and K&N filters to the test.
Eight Ways to Beat the Heat
Good advice for keeping yourself and your car cool under pressure.
Hot Rod Quick Test: Purple Ice
With Purple Ice, the temperature reached 210 degrees…but even after 56 minutes of running and then under a strong load, it did not exceed 210 degrees.
Handy Test – Maxfilm
Maxfilm is a high-strength synthetic lubricant that loosens rusted parts
Handy Test – HP 2-C
HP 2-C Engine Oil a high performance engine oil recommended for use in
Handy Test – API-Licensed Motor Oil
Because Royal Purple adheres to engine surfaces after shutdown, it provides protection during startup.