Last night Scott and West became the first black Republicans elected to Congress since J.C. Watts left in 2003. Scott has stated he probably won't join, though West said he would think about it.
Anyway there's also some question as to whether the CBC will invite them, at least according to this story:
But CBC Chairman Barbara Lee implied a few weeks later in an interview with The Economist that black Republicans would be welcomed only if they conform to the group’s liberal guidelines. “The CBC has an agenda,” Lee told The Economist. “Our agenda is about lifting people out of poverty, providing middle-class tax cuts, supporting climate-change legislation. Do [incoming black Republicans] embrace this agenda?”
Also Republicans tend to stray away, or at least claim to want to stray away from, racial identity politics. It'd be interesting to see the GOP base would react if these two joined the CBC.