That would mean they had to get that engine Federalized again.
How come Porsche can do it for a niche vehicle like the Boxster Speedster and BMW can't do it for the M3 GTS?
Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."