Originally posted by ajna_starOriginally posted by Green 10hp to the wheels will not happen with headers alone. Just think about how much that is at the crank. That requires more fuel and oxygen. The headers will only free up what was restricted by the stock manifold and down pipe. The reason the big companies cannot free up much power on our cars after long r&d hours is because our stock setup is actually well designed. I purchased my stainless header for the sound and looks. Don't expect too much, or you will be disappointed.
dood... hotshot headers make like 12 WHEEL horse power on specV sentras.....and the specV's exhaust system is well designed...
http://www.nissanperformancemag.com/may02/images/specvdynochart.jp g if the guy thinks he can make some good power with his header, then let him try.... if he does, awsome..... dont go shooting him down before he tries *edit* NOOOOOOOOOOOB