You may have read that the Scorpion won't fit JDM models, it does fit ok though.
As the others said aftermarkets exhausts on Imports are a must as they are even quieter than standard uk models.
Plenty to choose from below
http://www.tarmacsportz.co.uk/products.aspx?CategoryId=32850911-9f8a-43e4-a5fc-24678e254d1d