Quote:
Originally Posted by Xist
How long ago should someone have used compressed air to blow out the filter? 
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Not looking to find out!
The backside of the filler looked new. And, if anything, a dirty filter might actually improve economy. It might chop off the top couple of percent of engine load, which tend to be less efficient.
On a related note, the air intake, runner and plenum sizes are pretty comical to me. Anyone know if a smaller volume plenum like Honda used leads to higher efficiency? I could see some possible gains from a lower volume to create vacuum in.