somebody in here has the same manifold and it looks pretty hot, check this out
http://www.dsmtuners.com/forums/420a-turbo-conversion/410229-my-newest-turbo-setup.html
this is a video of a friend in mexico with his 420a turbo, i love the sound of his muffler its a greddy evo 2
http://www.youtube.com/watch?v=nZBF1kQdqWs&feature=feedu