I am certain Cereal will wan to make an input on this as he has been looking into this too...
At Race Retro I cam across these people:
www.simpsonraceexhausts.comThey are based in Langley, Berkshire and have alot of race experience and clients. They do a Saturday morning 'drop in' where you can get your car looked at and quoted for a manifold.
If your looking for race cats then Demon Tweeks have some see:
www.demon-tweeks.co.uk/products/ProductL...amp;tlgrp=MS003
