Description
Upgrade your 1989-1993 Cummins 5.9L with a 4″ downpipe designed for 4″ outlet turbos like the HX40 or S300, enhancing exhaust flow and performance.
Features:
- Compatible with 4″ outlet turbos such as HX40 or S300.
- Optimizes exhaust flow for enhanced performance.
- Precision-engineered for a perfect fit on 1989-1993 Cummins 5.9L engines.
