For K&N air filter lovers! Or why to never use K&N air filters for your turbo charged diesel engine.
Ever wonder why some people preach against K&N type air filters:
Wix and Purolator One engine air filters were the top two filters in tests performed by Project Farm.
K&N air filter came in dead last in almost every test except air flow.
Shows why getting high air flow at the cost of high particle count (dirty) air is not a good choice in the long term.
Watch the test YouTube Video here:> Which Car Air Filter is Best? Let's find out! Fram, K&N, Wix, Purolator, & AC Delco showdown
Very informative!
