I'm using them. I found them a bit greasy in the back until I took some very good advice and lowered the psi about 4 lbs in the back. Cold pressures are set at 29 front, 32 back they go up about 3 lbs when the get warmed up. I've had the car over 160 kph on the track and it felt completely stable. They have about 5000 km on them.
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'99 black 986
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