Product Releases & Updates


We’ve now added dimensioned drawings for all current DIYAutoTune and AMP EFI engine management systems. Use these drawings to confirm if an ECU will fit where you intend to mount it, or to make mounting brackets, wiring panels, and other accessories to fit your ECU. Click on the links below for a drawing of your…

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Standard Limited Warranty Hoffmann Innovations, Inc. (“AMP EFI”) warrants to the original purchaser its entire line of AMP EFI MS3Pro engine control units, hereinafter referred to as “product(s)”, to be free from defects in workmanship and materials, under normal use and service, for the applicable warranty term.  All MS3Pro Engine Control Units carry a standard 1-year…

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