I purchased the (G) cushions for my 325is, and 5-6 hours later traded them for the grado extention cable.
I left my thoughts about them on (Grado SR325is + G Cushs) thread. I know everbody has different taste in sounds, but to say the sound didn't change the sound in any way!!!
Edited by joseph69 - 2/2/13 at 5:58am