Nismo - OEM look probs best optin for zed
5Zigen -Beautiful sounds - Very Japs looks (Slash cut with separate can's)
Veilside- Very Rare but gorgeous!
Scorpion - Cheap and cheerful - not a fan of the slash cut pipe, can't really see them
K1 - Cheap
K2 - Oem looking, havent heard on in the flesh
Amuse - Ultimate Baller Status
How about talking to Abbey About their Motordyne Range that is coming in?