The duster is 414 cid. small block stroker with INDY cylinder heads, the exhaust exits thru Hedman Husler headers with a hooker collector using a 3.5 inch flange , there is a 3 ft. piece of 3.5 inch pipe between the header and the dynomax bullets .http://www.youtube.com/watch?v=UvhcjyMiMyU
