Thread: Newb w/ a Miata
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Old 05-26-2016, 11:06 PM   #34 (permalink)
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remove stock air intake to draw in warmer air & incr mileage

I had not previously heard of the idea of warmer intake air increasing mileage (bikin' Ed's comment regarding removing the stock air intake tube from the air filter box and allowing the engine to draw air from the warm exhaust manifold area). Can anyone briefly explain the theory behind this and approx what type of mileage improvement can be gained? Thanks
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