1) £695 approx
2) Good (for how it's intended to be)
3) On it's own"Fruity"(2:1 made the significant difference)
In combo with 4:2,Mugen exhaust,Injen CAI "Barrrp!!" 8)
4) Quite expensive,moreso if you don't import.
5) Both from www.takakaira.co.jp