What do you do with the oxygen sensor and harness when you turbo a classic with a T25 and a JGY downpipe without a bung for the oxygen sensor? Do you just leave the oxygen sensor off? Does this cause any dummy lights or driveability issues?

TIA

ur gonna have to take the bung outlet thing off the stock one and replace it on the exhaust manifold. Then u gotta extend the o2 wires.