I have the tune and it does make a difference, but more noticeable in how smooth it makes the bike.If he left you in the dust...he's either going too fast, or your going as fast as you want to. I'm waaaaay past testing my life expectancy in or on a toy.....my 35 year marriage offers enough near death experiences!!!
As you know..no bike, car, boat, et..does everything. I'm going to re map the bike after the break in for optimal performance and call it a day. No more replacing everything for more speed, stopping power, et.et.et.
I spent too much time thinking about the mechanics of what my bikes could do rather than just being out there enjoying the ride. In reality....I wasn't really going or getting anywhere...and missed a lot of it head tripping about nonsense....
Enjoy the ride .....
Cheers.
35 years married also.