i don't suspect John uses the stainless slinky's
for two reason's:
1. there's only one gauge for the c-string available for stainless EB,
which is .028, which is way too thin, and Myung's high-c sounds far from thin,
and also: when you listen to his overal sound it doesn't sounds like stainless
2. when you look at his bass, you'll just see the colour of nickel plated strings,
which makes some sense as well: every MM bass comes with the nickel EB's stock,
and my opinion is that John problably stuck with those ever since
greets