hey guys, looking to order a header for my ef with a b16. i only know of a couple of headers that are designed for the car, them being the hasport and hks that is no longer available. my meaning of designed are having the 2 o2s in the correct spot. um anybody know of any others. i dont want to rig up anything or cause any check engine lights to come on. help will be greatly appreciated. thanks

 

Well, it would probably be worth it to convert to obd-1 if you really are looking to make big power. Becuase you're gonna eventually want tuning too if your trying to put up some good numbers. Also you get any header really, and then weld an additional o2 bung onto it. So both o2 sensors would read basically the same and you would still have both o2 sensors providing a signal. as long as both o2's are near each other and after the collector so they read all cylinders equally.