| Here is one from another brand. Design Engineering Cryogenic Air Intake System Add On 
The Cry02 Air Intake System consists of an aerodynamically designed bulb with a cryogenic chamber which is mounted in a 4" segment of air tube. As the air passes over the bulb heat is removed from the air charge resulting in a colder, denser more powerful charge. Dyno testing showed a reduction in intake air temperature of more then 35%. The Cry02 Air Intake System can even by used on turbocharged, supercharged or naturally aspirated Nissans. Multiple units can be used for colder results. Installs in minutes and comes with silicone connection sleeve, hose clamps and connection/vent hose. Available in a 2.5" and 3" Overall Diameter $129 For 129, it seems like it's worth a shot.
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