Honda Accord Forum - Honda Accord Enthusiast Forums - K & N air filter

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- - K & N air filter - 09 accord (https://www.hondaaccordforum.com/forum/engine-internal-11/k-n-air-filter-09-accord-22518/)

glen e

12-23-2008 10:06 AM

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?

finch13

12-23-2008 11:45 AM

RE: K & N air filter - 09 accord

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

JimBlake

12-28-2008 10:33 PM

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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