Impreza trackday road legal tyres
Discussion
Not sure if they're available over there (or how pricing compares), but I was using Achilles 123 on the turbo MX5 when I had it and they were surprisingly good - probably don't stick quite as well as the R888, but lasted well and were cheaper than a T1R in the same size, about half the price of an R888. Bloke that put me onto them was racing and hillclimbing an Evo 3 on them IIRC, so they should work on an Impreza as well.
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