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Air Filter Question
I noticed yesterday before i started doing routine maintenance on the civic, to prepare for a long trip (Vegas and back), that while changing out the stock air filter, that the air intake hose, just before the air box had a circular opening roughly 2 3/4". Is there a fuel efficiency advantage to removing all that BS for the stock air filter housing and adapting a cone filter to fit that opening? anyone done with the stock intake tube and not that long chrome intake tube?
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