This JMI catalytic converter inlet head, part number 12797, is a high-quality replacement component designed for universal automotive applications. The Size D (CRT) / E head features a 13-inch diameter with a 5-inch offset inlet configuration, making it compatible with a wide range of vehicle exhaust systems. The durable stainless steel construction includes a precision-engineered perforated design that optimizes exhaust flow while maintaining structural integrity. The universal mounting design allows for flexible installation options, while the offset inlet orientation helps accommodate various underbody configurations. This component is ideal for professional automotive repair applications where a reliable, well-fitted catalytic converter inlet head is required. The robust construction ensures long-term performance under typical operating conditions.