Product Releases & Updates


High performance Miata builds need high performance ignition systems; the stock ignition coils typically won’t cut it if you’re running a lot of boost on your turbo Miata or supercharged Miata or otherwise increasing the cylinder pressure (high compression n/a builds). We’ve done several of own turbo Miata builds. We’ve worked with a LOT of…

Read More

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…

Read More

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…

Read More