don't know if they're the same, but I currently have GT radial champiro 55's on my car, not out of choice but because they came with the car when i bought it last year. they used to be ok in the dry, but have always been crap in the wet, sliding really easy. now, after 12 months abuse, they suck in the dry too, i can't launch hard at all in races or i'll spin to redline. they are a really hard compound which doesn't help quality any, but they do last a while. I'd get rid of them if i could afford it.
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