Catalytic Converter (98237) by AP Exhaust®. Position: Center. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Catalytic Converter Overall Length: 16.5". Without O2 Sensor Port. Without Air Tube. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not based on vehicle age or use but instead on an owner’s desire for power and sound.