The toughest part of the header job is getting the OEM exhaust manifolds and associated emissions hardware out. I’ve done several by myself. It’s tight especially on the passenger side. If your patient and take your time is pretty straight forward. Removing the engine mount nuts and K members and lifting the engine slightly helps a lot. Inspect the engine mounts while your in there dollars to doughnuts one or both are broken. The 90-92 exhausts had a restricted resonator. If your keeping the stock exhaust swap that out for a later one, x pipe or Dynomax Ultraflow Welded X resonator. Exhaust system fabrication to some degree is unavoidable when your doing headers.
Have fun.
H
