Went over a small bump this morning and the car just became permanently loud. Coming from what seems to be the Exhaust system at the front of the car. But I don't see any holes. I still have my same Engine codes coming up. O2 Sensors, VRIS #1 Solinoid and evil the knock sensor. Car revs and drives fine, but is really noisy. high revs sound like a motorcycle. hehe probably the exhaust?