Quote:
Originally Posted by AntiochOG
I've had my cold air intake installed for several tanks now and haven't noticed any negative effect on economy. In fact I had my best tank to date 38.9 mpg.
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Try disconnecting the cold air intake and just filter some warm air comin up off the manifold. I think you'llbe suprised
BTW I am routinely getting 42-44 mpg with my '97 miata.