index.dice81

Wipers, filters and spark plugs

This Air Filter Will Destroy Your Engine!

Aug 2026 · 19 min · 16 products tested

His winner

Purolator

It does a great job of cleaning the air and still offers pretty good airflow.

  1. 1stPurolator
  2. 2ndMOTOALL
Watch on YouTube

Results, round by round

Initial static pressure

Lower is better, in in WC13 of 16 products have agreed numbers, so no leader is marked
  1. 1K&N Washable0.39in WCAmazon
  2. 2DNA0.4in WCAmazon
  3. 3MOTOALL0.49in WCAmazon
  4. 4BOSCH0.53in WCAmazon
  5. 5Spearhead0.54in WCAmazon
  6. 6A-Premium0.56in WCAmazon
  7. 7FRAM0.56in WCAmazon
  8. 8Purolator0.56in WCAmazon
  9. 9K&N0.6in WCAmazon
  10. 10ECOGARD0.62in WCAmazon
  11. 11EPAUTO0.62in WCAmazon
  12. 12Wix0.66in WCAmazon
  13. 13ACDelco0.66in WCAmazon

Initial airflow

Higher is better, in CFM13 of 16 products have agreed numbers, so no leader is marked
  1. 1K&N Washable438CFMAmazon
  2. 2DNA433CFMAmazon
  3. 3MOTOALL406CFMAmazon
  4. 4Spearhead376CFMAmazon
  5. 5Purolator376CFMAmazon
  6. 6BOSCH375CFMAmazon
  7. 7FRAM373CFMAmazon
  8. 8A-Premium365CFMAmazon
  9. 9K&N355CFMAmazon
  10. 10EPAUTO341CFMAmazon
  11. 11ECOGARD339CFMAmazon
  12. 12Wix306CFMAmazon
  13. 13ACDelco301CFMAmazon

Static pressure after dust exposure

Lower is better, in in WC11 of 16 products have agreed numbers, so no leader is marked
  1. 1K&N Washable0.46in WCAmazon
  2. 2MOTOALL0.55in WCAmazon
  3. 3BOSCH0.58in WCAmazon
  4. 4DNA0.58in WCAmazon
  5. 5A-Premium0.6in WCAmazon
  6. 6Spearhead0.6in WCAmazon
  7. 7FRAM0.6in WCAmazon
  8. 8EPAUTO0.67in WCAmazon
  9. 9ECOGARD0.7in WCAmazon
  10. 10Wix0.73in WCAmazon
  11. 11ACDelco0.73in WCAmazon

Airflow after dust exposure

Higher is better, in CFM9 of 16 products have agreed numbers, so no leader is marked
  1. 1K&N Washable401CFMAmazon
  2. 2MOTOALL338CFMAmazon
  3. 3DNA317CFMAmazon
  4. 4BOSCH287CFMAmazon
  5. 5FRAM283CFMAmazon
  6. 6A-Premium272CFMAmazon
  7. 7EPAUTO223CFMAmazon
  8. 8ECOGARD194CFMAmazon
  9. 9Wix185CFMAmazon

Everything he tested

Results were read from the video's captions by two AI models, and only the numbers both agree on and that he says out loud are shown. Some results appear only on screen in the video. Check the video before you buy.