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95% or 98% - What’s Best For Me?

What's so special about nitrogen? It’s not about nitrogen; it’s about reducing oxygen and moisture.

Will nitrogen work in the tires I already have? Nitrogen works in any tire and will work great in the tire I already have.

What if I get a flat or my tire has a leak?

How much does it cost to fill tires with nitrogen?

What if I’ve checked the Nitrogen Locator and there isn’t a dealer near me that offers nitrogen?

Are tires covered under warranty by the manufacturer if they have nitrogen in them?

Does Nitrogen affect the accuracy of the Tire Pressure Monitoring System on some cars?

Is there a PSI conversion factor needed when filling a tire with nitrogen instead of air?

What’s the best process for adding nitrogen to my tires?

If you over-fill the tire does the Nitrogen push out the air?


What’s the best process for adding nitrogen to my tires?

You may simply add nitrogen to a tire already filled with air. However, in order to reap the full benefits of nitrogen tire inflation, you need to achieve the desired level of nitrogen purity (GNI recommends 93.5%) and remove any moisture in the tire. To do this it is necessary to first purge the tire of the existing air, down to 3psi, and then refill the tire with nitrogen. This purge/fill cycle may sometimes need to be repeated to achieve optimum results.

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