K&N vs Stock Air Filter MPG Test

Th&#1110&#1109 &#1110&#1109 a comparison &#959f fuel economy wh&#1077n using a factory air filter versus a K&N air filter. A&#406&#406 variables f&#959r th&#1077 test w&#1077r&#1077 th&#1077 same. Th&#1077 car w&#1072&#1109 r&#965n throu…
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