I recall a shop in sweden did make a Pro-R RMK , but havent heard much about stretching the axys..?
But IMO, the rail profile and approach angle of the skid on the axys is a major drawback for deep snow performance ...
2019 SBA 850,2015 600 Adventure (int'l)
09 Doo 1200 GTX, 02 XC800 / 00 XCR800 - Pro-X rear skid, 99 XC700SP
RIP: 800SBA, 02 XC800, 99 SKS700, 97 XLT SKS