From "toothpaste headlight polish" to "CD defroster hacks", we tested the wildest viral tricks—with explosive (and hilarious) results. Spoiler: That "gas-saving magnet" is 100% placebo. #CarHacksExposed #MythOrMagic Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

From "toothpaste headlight polish" to "CD defroster hacks", we tested the wildest viral tricks—with explosive (and hilarious) results. Spoiler: That "gas-saving magnet" is 100% placebo. #CarHacksExposed #MythOrMagic Learn more about your ad choices. Visit megaphone.fm/adchoices

From&nbsp;"toothpaste headlight polish"&nbsp;to&nbsp;"CD defroster hacks", we tested the wildest viral tricks—with&nbsp;explosive&nbsp;(and hilarious) results.&nbsp;Spoiler:&nbsp;That "gas-saving magnet" is 100% placebo. #CarHacksExposed #MythOrMagic Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices" rel="noopener noreferrer">megaphone.fm/adchoices</a>

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Watch Internet Mythbusters React to Mind-Blowing Car Hacks!🤯

Watch Internet Mythbusters React to Mind-Blowing Car Hacks!🤯