Proteus large universal ECU

from $600.00

rusEFI Proteus standalone ECU with black plastic case

up to 12 cylinders up to two DBW

This is a community-supported open source ECU. See you on rusEFI forum or rusEFI Facebook group!

If you select pigtail variant: 15cm



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This is a development board that could run a car, with the right software. If you are looking for a finished ECU to run your engine, this is not what you should be buying.

If you want to get your hands dirty with engine management, this is arguably one of the most capable pieces of hardware to help you do so.

If you buy this, you should be prepared to follow rusEFI development carefully (or write your own ECU software) and be interested in tinkering.

This is not a finished product and if you require a finished product to run your engine, look elsewhere.

OFF ROAD USE NOTICE: items sold through rusEFI LLC including tuning products may be designed for off-road/race use only, and are not applicable for vehicles in states that require pollution controlled vehicles. California (CARB) & other states prohibit the sale or use of some aftermarket parts, including those that tamper with, modify or defeat emissions systems in any 1966 and newer vehicles. rusEFI LLC prohibits the use of these products on emission controlled vehicles. These parts are sold for OFF ROAD, RACE-ONLY, ground-vehicle use only in a controlled environment.

rusEFI LLC does not implicitly or explicitly confirm the legality of using any products it sells on public roads. Customers are solely responsible for ensuring all products purchased are used in a legal manner.