Diesel Power Source is a U.S.-based diesel performance manufacturer with more than 20 years of experience serving diesel truck owners and professionals. The company designs and builds turbo systems, exhaust manifolds, and performance components for Cummins and other heavy-duty diesel engines, with a focus on reliability, airflow, and real-world performance. Rather than simply reselling parts, Diesel Power Source develops many of its products in-house, using hands-on testing and practical experience to guide design and manufacturing. This approach ensures parts perform consistently on work trucks, tow rigs, and performance builds where durability matters. What sets Diesel Power Source apart is honest guidance and strong customer support. Customers work directly with knowledgeable staff who understand diesel applications and help match the right parts to each build. After two decades in business, Diesel Power Source continues to earn trust through quality products and dependable servic