for sale is a speeduino in a 3d printed PETG case that drops in where the stock ECU goes
this one comes with the alternator regulator circuit.
originally made to be plug and play for 99-00 but can be made plug and play for any 99-05 Miata with a few small changes
had it on my car for 500 miles before deciding to go a different route(back to stock ECU)
it comes with everything pictures if you'd like to put it back on the original box.
purchased brand new directly form SpeedyEFI.
pre-wired to add sequential spark and Flex Sensor and VSS
asking 290$ shipped

 

Miami, FL