Optimize your diesel exhaust system with the BPS 5" Dia. above frame downpipe - with a 4" drop and featuring a versatile 5" Marmon flange for seamless integration with S400 and S410 turbochargers. Designed for seamless integration in heavy-duty trucks where the exhaust runs above the frame. This kit provides enhanced flow and durability, ensuring efficient performance and easy installation for turbocharged setups. Features: • 5-inch turbo downpipe for improved exhaust flow and reduced backpressure • Includes clamp and pipe for a complete, ready-to-install solution • 4-inch drop design tailored for applications with exhaust routed above the frame • High-quality construction that withstands high temperatures and vibrations in diesel environments • Ideal for trucks, fleets, and performance upgrades requiring reliable exhaust routing This downpipe exhaust kit from BPS Diesel is a practical upgrade for better engine efficiency and longevity. Equip your system today for superior exhaust management!