Anyone fill their tires with Nitrogen? I had my buddy fill my tires up at the dealership... The advantage is the tire pressure won't fluctuate due to atmospheric conditions, (hot /cold temps) , so resulting in constant tire pressure, and slightly better gas mileage. Also you rarely have to check your tire pressure, as the nitrogen molecules are bigger, so they won't seap out, like regular air will. Anyways, my buddie did it for free, but it usually costs around 40 bucks. Don't think it's worth the 40 bucks, unless u are just lookin to throw some money anyway.

 

$40 is too much i think..

 

Waste of money.

 

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