If you are talking about a 3200 car,it's impossible from either direction. Have to remove the section of exhaust pipe,and,they can be bloody tight. Replace the original with the generic Bosch part number LS 05
If you are talking about a 3200 car,it's impossible from either direction. Have to remove the section of exhaust pipe,and,they can be bloody tight. Replace the original with the generic Bosch part number LS 05