BD Diesel Passenger Side Up Pipe (1043803) for 2001-2004 Duramax LB7

The BD Diesel Passenger Side Up Pipe (1043803) is a high-performance upgrade designed specifically for 2001-2004 GM Duramax LB7 engines. Engineered to replace the factory up pipe on the passenger side, this component features durable, high-quality stainless steel construction for improved heat resistance and long-term reliability. The BD Diesel up pipe helps reduce exhaust leaks commonly associated with the stock unit, especially around the problematic bellows area. By enhancing exhaust flow and maintaining optimal turbo efficiency, it contributes to increased performance and better throttle response. Whether you’re repairing a failing OEM pipe or upgrading for better durability, the BD Diesel 1043803 is a dependable solution for Duramax LB7 owners seeking improved exhaust system performance.