need a better description of the setup but like bert-o said if its 195 on stock bore than hes doing ok ,84mm + and he may need to look at his part list. i would say get the header i have (pic in gallery) but they are going through some changes.there is some good headers in the 600-800 range but some dont allow a/c some do just need to search. the link above is good but there is other headers out there,