ok first off when i have been looking for the b16 engine it says itcomes with a auto ecu? is that only for auto trannys? can i use my same exaust when i do the swap. like will it all match right up orwill i need a new header and stuff? will it work from the catback? if you can help thanks, ive this is my first honda so im new with them. i have dealed with mazdas and mitshubishi so this is new so any help will be appreciated! also if anyone knows where i can get an engine for a good price let me know Thanks!