Vintage Speed have some very sexy stuff! pricey though http://store.vintagespeed.com.tw/index.php?option=com_virtuemart&page=shop.browse&category_id=7&Itemid=80
vintage speed is def worth it though, fed up with empi rusty sh*te etc & speed bump phat boys, i've been through a fair few dif ones on my ghia and invested in a VS which looks sweet and sounds great.. not too noisy at all just purrs now 8) The do some great looking bus ones too check out the site & speak to Dan. http://www.vintagespeed.co.uk/index.php?option=com_virtuemart&page=shop.browse&category_id=27&Itemid=