I would imagine most of the people doing these types of tunes are probably skittish of answering emails from unknown people. They are flirting with legal issues in selling such products. If you are looking for the full delete of all those emissions systems then you are looking at more than just unplugging components. Not sure if you are going to find many more reputable ones than those you listed. Keep in mind the old adage- you get what you pay for.
Yes and i would state that you often get what might be called "side effects".
Increasingly even on these forums there are cries (posts) for help trying to resolve a driveability issue, then only to be informed in the next paragraph that a full delete or some unknown tune has been performed and now the bloody thing won't run right.
Are we all supposed the be able to pull a "fixit rabbit out of the hat" when this occurs?
In a much wider arena in the trade where I sit there are people who have tunes of all sorts programmed into their vehicles (not just Sprinters) that have only discovered that the "tuned ' or "dicked with subsystem has corrupted itself.
I have encountered many issue from a notable T1N Sprinter that had an erroneous loss of fuel delivery pressure only found by careful study of live data and resolved by a PCM reflash all the way up to a 5,7 Cummins engine with a ETC signal permanently stuck at -45 degrees Celsius. A tune gone wrong & "a black smoking pig"!
To emphasis the cost in all, this Cummins dealer refused to re-flash it, stating that this is a Dodge proprietary ECM program . Dodge said a new ECM is required at $5500 we won't re-program it.
The happy get out or outcome in this instance was that the factory had issued a update re-flash during all this "to ing and fro ing" over a month and I was able to get a update for $110 that in this case luckily resolved the problem at a dealer.
In so many instances things are not cheap or easy to fix..
I have a 2010 3500 Sprinter box truck that has has had not only the Adblue Can Bus subsystem ripped out, the PCM internal circuits snipped off or removed, and the Adblue module de-programmed. Its dead.
Cost to fix so far is $6000 and we are still not done.
Get the picture!
Its your money and its your rig & fixing all this makes for some good gastronomic delights at the dinner table. Like a nice grass get fed filet minion and an expensive bottle of Barollo.
A good remedy for fixing tune headaches!
Bueno appetito
https://www.wine.com/product/il-pog...V4R6tBh1lsAsBEAQYASABEgIr0vD_BwE&gclsrc=aw.ds
All perhaps enjoyed here for dinner and maybe you could visit this place without having to be faced with a huge cost of NOT fixing it right!
https://www.hotelvillacimbrone.com/#
Dennis