I have use small ducting that fits the intake perfectly, and run it to just below the cat, very close. In summer I've seen intake temperatures as high as 160F, at which point I had to back off the ducting. I'm taking it directly from the intake box and wrapping it backward, under where my 12v battery would have been.
She short shifts her Fit and drives slowly. No EoC or pulse and glide, just keeps it at or under 55 and is in 5th gear as quickly as possible. That, and ~45psi in the tires. It's a nice little car, not looking forward to the day salt eats it.
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