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Ok this is an easy question. I recently bought a jwt ecu but on the outside the only markings besides the stock markings are the settings for the ecu but they're written in permanent marker.
Is this what JWT usually does with ECu's should I be worried? I want to send it in for a reprogram thats why I bought it.
Do they go by outside markings or do they actually open it up to see if it has a previous JWT program.
Is this what JWT usually does with ECu's should I be worried? I want to send it in for a reprogram thats why I bought it.
Do they go by outside markings or do they actually open it up to see if it has a previous JWT program.