3.5 inch back box

[vauxboi]

Hi people anyone got a 3.5 or 4 inch outwardly rolled back box for a nova 1.2i.

[NOVA_LEE]

I got a 4 branch manifold an a straight through custom pipe but standard back box - 60 quid

[vauxboi]

what manifold is it

[NOVA_LEE]

Dnt know make but its a 421 off a 14sr, will fit a 1.2