I have the FMS d/s, i like it and thought it was worth the $$, although i wish i got subframes first, anyhow it took out all the vibration i had, and you get new u-joints with the shaft, also it looks cool, much lighter, less srain on the motor and trans, so it's worth it IMO
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90 lx coupe: Mac cold air fenderwell, accel supercoil,advncd ignition,3-core radiatr, FMS alum D/S, Black magic fan, 3.27grs, 3chbr flows.
Best time: 14.20(on 225/60/15 firehawks)
Best mph 97.80
Best 60' 2.1
next mods: subframes, 3.73's