I didn't know this before today, but apparently the original Insight had an excellent low-restriction OEM intake - better than average.
Julian at AutoSpeed modified his, to make it look suspiciously like this 2nd gen Insight.
He said, after his mod:
Quote:
And, even better, in any constant throttle cruise over 40 km/h, there was in fact a positive pressure on the throttle side of the airfilter. ...
To put this another way, in cruise conditions the intake system is now posing less than zero restriction, and even at maximum flow, the throttle is seeing 99.5 per cent of atmospheric pressure.
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Source:
Autospeed
Julian's Insight:
