MEFI pro™ 1.2 Polaris Slingshot software will let you save the existing MEFI™ programming inside the ECM, then transfer that programming to your personal computer or laptop, make changes to the programming, then save and transfer it back to the ECM with your changes. MEFI pro™ 1.2 Polaris Slingshot software will let you see sensor data on the fly and save it for later use.

MEFI™ ECM Controllers are used in a wide variety of applications, including: Marine – MerCruiser, Indmar, and many boating applications Off-Road – Sand rails, Race Cars, Industrial Engines, and Crate Engines. The software package comes complete with everything you will need to interface with your MEFI™ 6A controller.

MEFIpro™ 1.2 Polaris Slingshot includes:

  • 1 USB – MEFI™ Interface Cable.
  • A link to downloads.
  • 1 Step-By-Step installation guide and users manual.


One MEFIpro™ software license (interface cable) will allow you to download and upload, create and customize calibrations to a single customer supplied ecm. The scanning and diagnostic features of MEFIpro™ will work on multiple ecm`s.

Additional licensing is available for more than one customer supplied ecm.

OS Compatibility:

MEFIpro™ 1.2 Polaris Slingshot software is compatible with Windows Operating Systems.

Laptop sold separately.


After purchase of software customer must ship their ecm to the address below for the ecm to be keyed, once keyed the software and ecm will be shipped to the customer provided return address.

CBM Motorsports

ATTN: Chris

725 South La Cadena Drive

Colton CA


MEFIpro™ Website

For more info. please call 909.291.7550 x2001.

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