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It's worthless.
In the old days of low-pressure fuel systems and carbs, they had to cool the fuel lines by routing the lines into a coffee can full of dry ice. If the fuel got too hot while in the lines, it turned to vapor and caused what was called "vapor lock".
Nowadays, high pressure fuel systems and fuel injection prevent this from happening, so there is no need to cool down the fuel.
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Who needs VTEC when ya got torque? Well I got both!
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