When done in conjunction with the chip flash, a dyno tune can a fine the settings for max efficiency.

Eurocharged has a lot of experience and does make regional trips around the country. I don't think Inmotion does that.

Not saying anything bad about local dyno shops, but our cars are a little more finnicky than others and you really need to know how to do it. There were a few horor stories about companies in the LA area a while back.