I know this is an old thread but I just wanted to throw in my 2 cents, with this being done without having to purchase any stock parts. I just did this mod without any cutting or modifying the auto assembly.. first want to give a shout out for excellent custom work @
JPMCoachworks to making a custom alcantara manual shift boot with the top stitching having the auto dimensions. All I had to do was remove the rubber grommet that is glued to the top of the auto shift boot insert it (without glueing) to the top of the new manual shift boot and the shift knob fit perfectly snug as if its stock. i pulled the new shift boot over the PRND and bam looks amazing. If anyone of you would like i can post a pic.