Don't pay it, let them send it back. Ill start buying car parts from EU or US now, even with VAT/customs from the US you still save money, just takes...
no harm in sticking them on as you need to replace yours anyway, just get a black or grey colour so they dont stand out to much to attract attention...
I usually take it handy on that corner, especially in the wet, but i just wasn't paying attention enough and rear left went right over the wet kerb,...