Originally posted by kfar09
it will always set off the check engine light b/c you dont have a cat. it is just your exhaust going straight through w/out being "cleaned" in the cat. you will not pass emissions with this on (if you didn't already know)
OBD1 cars, like the 94-95 integras, have only 1 oxygen sensor, which is placed before the cat. The car doesn't sense what occurs after that in any way.