stumped :(

ok i thought my clutch was gone heres the scoop. my clutch slips like a ***** when i dont go full throttle…now when i go 100% it hooks and my tires kind of slide…i went sideways around a turn and i didnt mean to…now when i got home i checked the clutch master and it was grey…i did the sr swap about a month and a half ago and it should not be grey that fast. now in the mits of the sr swap. i bypassed a lil box…i think its a booster for the pedal. kuz its not that easy to push and its a stock clutch. maybe slave?