I second Marren , they sent back the sheets with before and after performance for each cyl

The tech also mentioned there was a lot of stabil in the old fuel in the injectors which was true as I had not run it much for a few years

I sent my 496 injectors to BUP. He did a good job. Sent videos of before and after as well as sent me the old filters and Q tips he used.

I have since bought my own cheaper injector machine. It isn't on the same playing field as the commercial machines but it does give me good data. A problem injector shows right away.

On my street car i run e85. The bosch 210lb injectors i use are very sensitive for e85 to sit in them unused. Now I pull the injectors out and check them myself. It has been working very good for me.

Again Not BUP, John Mossetti, he doesnt do any of the repairs, farms it all out and there was a fall out with the guy that actually fixes them.... all of a sudden he`s "too busy" to take on any more ECU repairs. Yeah , because the guy that actually fixed em told him to go pound sand.
He`s a pathological liar.

John fixed my Mefi for $500 and turned it around in a week.
https://obd2allinone.com/ecmrepair.asp