I think Silviagod does a modified s13 front bumper for the silvia, it might be worthwhile asking him
.
Regards,
Ian.
P.s. This is something I`m looking at doing to. I`ve got my eye on a cheap 200sx at the moment, mostly for the red top engine and the parts to change my silvia from an auto to a manual. So I`d be interested to know how difficult, fitting other 200sx parts would be
.