"THE WORLD'S BEST AIR FILTER"
| Foam | Amsoil LT-31; Unifilter 04-0031 |
376 CFM |
| K&N (used) | (42,000 miles) K&N E-1500 |
463 CFM |
| Paper | AC A348C; Fram CA326; Hastings AC-145; K-Mart KA-12; Motorcraft FA-71R |
508 CFM |
| K&N Filtercharger ® |
K&N E-1500 | 887 CFM |
| TEST NOTE #1: All air filter elements were flow tested at .3"
H20 (water) restriction and then converted to 11/2" H20 restriction by using the
square law formula. TEST NOTE #2: All elements tested were of equal size (12" o.d. x 31/2" H) and were specified by their respective manufacturer for the same application. |
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