Be aware that this glitch will only works in PS2 version. Wii & PSP versions not tested.
To do this * WITHOUT EXTERNAL CHEATS * (that's forbidden in speedrun) it's actually pretty easy.
Steps: 1 - Go to Create Mode and create your CAW. 2 - At the name Creation screen, go to Weight Class and put Light Heavyweight. 3 - Save and go to the Universe Mode, then go edit your CAW overall. 4 - Max everything you can, you will notice that not everything you reach 100/100, it's normal. 5 - Go to Create Mode and edit the CAW that you created a few steps ago. 6 - Repeat the 2- Step, but choose Super Heavyweight, and save. 7 - Go to Universe Mode, and Max everything you can and then save. 8 - You can change between any Weight Class you feel like and do this.
The Final results should look like this:
After some massive improvements, RPCS3 is now allowed for speedrunning WWE SmackDown Vs. RAW 2011, if you decide to play with it, just make sure to keep it's version up to date for maximum accuracy amongst all runners.