Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Help is this exhaust rust unrepairable › Help is this exhaust rust unrepairable January 17, 2020 at 2:25 am #895753 Richard KirshyParticipant Might try a hand held wire brush, tough to work a powered wire wheel into those tight places. Might also try a rust converter prior to any high temp primer and paint.