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[QUOTE=redneck;665445]��
Why...???
I run my exhaust heated intake year round. The hotter the air the better. Your computer will pull the fuel back to the correct air fuel ratio. Cooler air contains more oxygen thus more fuel will be needed to keep the correct ratio.
Is your mpg in Imperial or U.S. ?
Yes, the Scan gauge is set to US MPG, the stock L/100km gauge I average around 4.8-5L/100KM with my mix city/highway commutes but I can get it lower.
Temperatures have risen here and I have put back my "cold air pipe" that feeds air from the fender so I get ambient temperature IATs. With the higher temperatures, there were days my car would see 60-70 degree with my winter intake and with my summer intake, they don't go over 30 which definitely improve power delivery. I'm also getting the same MPG with 30-40deg colder IATs so I don't mind switching the intakes after winter since it is not needed.
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