Quote:
Originally Posted by mpg_numbers_guy
Very noobish question, I suppose, but is the air intake what I have highlighted in the attached stock photo? And isn't a WAI just ducting routing from a hot area, such as the catalytic converter? How would I capture the heat from the cat through the ducting into the intake other than just pointing the ducting at the cat and hoping hot air goes in?
EDIT: Something like this?:
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Just pointing it at the cat definitely works. The closer you get the ducting to it, the hotter the air you'll get.
The example you showed works very well. You can also take that whole black snorkel off, back to the air filter box, and run your ducting from there. The purpose of the snorkel has been discussed at length on Insight Central and it's not clear if it's just for noise reduction or if it slightly levels out the torque curve, but the car runs fine with or without it.