Alphabettispaghetti
Club Member
Hard to tell from the small photos with no prices:
http://datsun240z.co.uk/wordpress/wp-content/uploads/2014/11/Datsun240260z_perforance_exhust_s.s.jpg
http://datsun240z.co.uk/wordpress/wp-content/uploads/2014/11/manifold.jpg
I did see one and they're not in the same league as the ones you offer.