umm there is a NUR Spec V, NUR Spec R and NUR Spec RR.
Spec R & RR
http://www.blitz.co.jp/products/ex.system/.../nur-series.htm
Spec V
http://www.blitz.co.jp/products/ex.system/...nur-v/nur-v.htm
Silencer won't do you good if you're going to the epa, they won't accept silencers unless they are welded in place :eek: