Description
The Diamond Eye Performance Downpipe for 1989-1993 Dodge 5.9L Cummins is engineered to enhance the performance and sound of your diesel truck. Made in the USA, this 4-inch aluminum pipe features mandrel bending technology that ensures smooth airflow and minimizes restrictions, resulting in improved horsepower and torque. Designed specifically for 1989-1993 Dodge D250 and D350 models, this downpipe is compatible with all cab and bed configurations, providing a direct fit and straightforward installation. The durable construction of aluminized steel offers longevity and resistance to corrosion, making it a reliable upgrade for your diesel engine.
Diamond Eye Manufacturing invests heavily in advanced CNC mandrel bending machines and extensive tooling to produce high-quality exhaust components. Their commitment to quality ensures that each downpipe is precisely fabricated to meet strict standards. The product’s aggressive sound enhances your vehicle’s presence on the road, while its affordability makes it an accessible upgrade for enthusiasts seeking performance improvements without breaking the bank. The downpipe’s design supports increased exhaust flow, which contributes to better engine efficiency and power gains.
This component is ideal for those looking to optimize their truck’s exhaust system for enhanced performance and sound, especially in applications where durability and fitment are critical. The product ships quickly and is backed by Diamond Eye’s reputation for quality and customer service. Note that this part is not CARB approved, so it is intended for off-road use or in regions without strict emissions testing. The downpipe is suitable for use with various aftermarket exhaust setups, making it a versatile choice for diesel enthusiasts and professional tuners alike.
Features:
- Made in the USA for quality assurance and durability
- 4-inch mandrel bent aluminum construction for smooth airflow
- Designed for 1989-1993 Dodge D250 and D350 trucks
- Precisely fabricated with CNC mandrel bending technology
- Enhances engine performance and exhaust sound
- Corrosion-resistant aluminized steel for long-lasting use
- Direct fit for all cab and bed configurations
Fitment:
Dodge D250 Base 1989
Dodge D350 Base 1989
Dodge D350 Base 1990
Dodge D350 Base 1991
Dodge D350 Base 1992
Dodge D350 Base 1993




















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