help! nasty azz clutch noise..

[90dpscoupe]

Man, my clutch had a slight chatter for a while now, but today i started it up and it has got a really bad one , and i drove to the store, and on deceleration it sounds like a (howling) (clicking) noise? the tranny shifts fine, and it still whines a bit, im also not sure if its slipping, but my car feels like it lost a little power, from what i think may be slipping, cuz my car went from trapping 98 mph to 95? wtf?

could the throwout bearing be gone? i had this clutch for over a yr in a half, many races on it with street tires? should i just replace the clutch?

tommorow im gonna call ford and price the fms clutch, but i have to have my car during the week...thnx to anyone that can diagnose this problem, but regardless i know it's prolly time for a clutch.

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90 lx coupe: 175k miles, steeda water pump pully, hurst shifter, Mac cold air fenderwell, accel supercoil, ADS chip, aluminum D/S, Black magic fan, 3.27grs.
Best time: 13.9116(on 225/60/15 firehawks)
Best mph: 98.17
Best 60': 1.9607

next mods: subframes, mac h-pipe