The DMD is a given to me...that's not what I'm curious about. My question is about the other pullies included with a shoshop underdrive lightweight pulley set. I guess I'm trying to find out if they make any considerable difference or not. I don't want a three page lecture on the DMD either.

99 Black SVT -3L Hybrid w/.5mm overbore, Spec clutch/flywheel, MSDS, BAT intake, K&N open, 17'Konig Tantrums, DMD, Opt. TB & Y, Powerslots, Bassani w/ magnaflow res. 96 SE MTX- "The War Wagon" "I'm in love with my car..." -Queen