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Learn More about P.S.I.:


Video Tutorials:


MTIS by P.S.I. System Installation:



How to maintain MTIS by P.S.I.:



How to adjust the Control Box:



How to Manually Check Tire Pressure:



Literature Downloads:

Sales Literature:

Service Literature:

Warranty Literature:

​For Warranty Requests, please review the Warranty Statement L001-01 and follow the instructions below:

  1. Download Warranty Request Form and Save to your Computer
  2. Fill In Form, then Save
  3. Email Completed Form to warranty@psitireinflation.com

Driver's Literature:

Technical Bulletin Literature: