K & N air filter - 09 accord

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12-23-2008, 10:06 AM

glen e

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K & N air filter - 09 accord

Is the drop in replacement worth it? I would not expect any appreciable perf increase, but how about MPG?

12-23-2008, 11:45 AM

finch13

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RE: K & N air filter - 09 accord

It will let the engine breathe better... but performance and mileage will only increase a tiny bit.

12-28-2008, 10:33 PM

JimBlake

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RE: K & N air filter - 09 accord

I think your 09 has an air mass-flow sensor in the air filter housing? If so, be careful NOT to over-oil the filter. Dont let oil geton that sensor.

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