Quote:
Originally Posted by Joe1234
Bought a partially molested/riced out Civic VX. One of several things I have to undo are the headers that were put on it. How bad is my fuel economy going to suffer with header assuming all other factors are the same?
Also, where can I buy the stock manifold and CAT?
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Before you know for sure what your actual FE numbers are with the exhaust manifold and header, I wonder if you want to invest in stock items. The race mods might work well with proper driving, maybe better than stock if they are good items. A tuned exhaust manifold and muffler has the support of some on this forum as a good FE move. Any chance you could run them for a while, track FE carefully, and get a baseline on the car in current form? Or have you done that already?