Only tested on Undub;

[60 FPS]
20394C2C 00000000
{Game Runs Faster.}

[Default 30 FPS]
20394C2C 00000001

[Switch Type FPS]
DD000000 00000220
20394C2C 00000001
D2000000 00000000
DD000000 00000210
20394C2C 00000000
D2000000 00000000
{Press L+Left to 30 FPS / Press L+Right to 60 FPS}