Originally Posted by /^Blackmagik^\
94 is obd1 and his O2 sensor should have been originally on the manifold with no O2 sensor on the cat if i remember correctly, so yeah, if your header doesn't have a bung for the O2 sensor it's the wrong one. not completely sure though
I have a 94 too and that's where my sensor was, on the manifold. When I got my header, the hole for the sensor was on the downpipe so I had to get an extension to relocate it.
So Dave, what's up mang? Get it figured out?