I am once again confused, so here comes a real amateur question.
why do forge do this pipe
http://www.forgemotorsport.co.uk/content.asp?inc=product&cat=1304&product=FMIBIND
and Neuspeed do this pipe
http://www.awesome-gti.co.uk/store/product.php?xProd=3705&xSec=327
Are they the...