99 custom cold air setup?
I've got a 99 4x4 cummins. Trucks basically stock other than small things like exhaust and lift pump. I was curious to see if it would hurt anything if I ran a 7 inch spectre filter directly off the Turbo. I'm pushing about 30 lbs of boost
Cold air intake don't exist when a turbo produces 300-400*F temps after the turbo.
So I would worry more about the intercooler performance or watch the IAT temperatures more than wasting money on a cold air intake.
Typically my IAT temps float about +40*F over outside temp. The better MPG are found around 100-140*F typically.
So I would worry more about the intercooler performance or watch the IAT temperatures more than wasting money on a cold air intake.

Typically my IAT temps float about +40*F over outside temp. The better MPG are found around 100-140*F typically.
Last edited by Mopar1973Man; Apr 3, 2013 at 11:02 AM.
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