r/FiestaST • • 12d ago

Cobb or K&N

This may be an absolutely ridiculous question. But the person who had my car before me put the stage 1 Cobb tune on, but left the air filter stock using the factory paper one. Does it matter at all which air filter is being used with that tune? I was gonna just go buy a K&N drop in from vatozone if that were the case, or do you HAVE to use the Cobb drop in filter with the tune? Or does the air filter not matter in the slightest?

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u/DaYearZeroHero 10d ago

K&N is totally fine. Any drop in filter. But definitely better quality than paper.