PROVE IT!
We put horsepower claims from Royal Purple and K&N filters to the test.
Royal Purple® Synchromax® is recommended for manual transmissions that specify an automatic transmission fluid or other light-viscosity oil. It is also ideal for transfer cases and 2-cycle motorcycle gear boxes that specify light-viscosity lubricants. Synchromax is formulated with Royal Purple’s synthetic, proprietary Synerlecadditive technology, offering improved shift quality over a wide temperature range and reduced …
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.