Project Farm car air filter test results contradicted

In this, episode 56 of PowerTec 10, DV explains why the very popular test channel 'Project Farm' is off the mark with the air filter test results they conducted. Having done major pioneering work for K&N, the company under fire, DV explains why the otherwise carefully done tests made the K&N filter look no more than mediocre rather than the top ranking filter that it actually is.