Diamond Eye Performance K4211A 4-Inch Turbo-Back Exhaust System Kit for 1989-1993 Dodge Cummins 5.9L 4WD

Diamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace. Mandrel bending and fabrication parameters are extensive, and a variety of tooling allows us to offer tube processing from 3/8" to 5"OD in both aluminized and stainless steel. Diamond Eye Manufacturing is located on a 23-acre complex and has immediate plans for expansion. Currently, the company utilizes over 60,000 sq. ft. for manufacturing components. Separate from the manufacturing facility, our Warehouse Distribution Center utilizes highly efficient shipping methods and a substantial amount of inventory to ensure rapid response times for delivering customer orders in a timely fashion. Our new state of the art Research and Development Center was established to keep pace with the ever changing automotive performance aftermarket. We have taken great care to outfit the facility with an array of testing equipment to provide our engineers with the information needed to design the best systems available. Many of the employees here at Diamond Eye Manufacturing have several years of experience within the industry. This wealth of knowledge and experience is tapped and transformed into results. Our promise to you is simply this, we will provide you with the highest level of customer service, quality parts, and best prices available to keep you competitive! Exhaust System Kit, 1989-1993 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGTHS)-4in. ALUMINIZED Made in USA, Increased Performance, Aggressive Sound, Affordable

The Diamond Eye Performance K4211A exhaust system kit is designed for 1989-1993 Dodge 2500 and 3500 four-wheel-drive trucks equipped with the 5.9L Cummins diesel engine. This complete 4-inch turbo-back system is manufactured from aluminized steel to provide dependable service, improved exhaust flow, and a durable finish at an accessible price. It is designed for trucks across available cab and bed configurations when used with the applicable fitment requirements.

Mandrel-bent tubing helps maintain a consistent inside diameter through the bends, supporting efficient exhaust flow and increased performance potential. The system produces an aggressive exhaust tone while providing a direct replacement-style solution for upgrading the factory exhaust. Diamond Eye Performance uses CNC mandrel-bending and fabrication processes developed through extensive aftermarket exhaust experience, helping ensure consistent component quality and reliable fitment.

The K4211A is made in the USA and is intended for off-road or competition use where emissions regulations permit. It is not CARB approved, and buyers should verify local emissions requirements before installation. Confirm vehicle configuration and four-wheel-drive application before ordering. Listed fitment includes 1989-1993 Dodge W250 and W350 models equipped with the 5.9L Cummins engine.

What's Included

• 4-inch aluminized steel turbo-back exhaust system components
• Application-specific exhaust tubing and related installation hardware, as supplied by Diamond Eye Performance

Features:

• 4-Inch Turbo-Back Design: Replaces the exhaust system from the turbocharger outlet rearward to improve flow and support increased performance.
• Aluminized Steel Construction: Provides durable corrosion resistance and dependable service for street, work, and performance applications.
• Mandrel-Bent Tubing: Helps preserve a consistent tube diameter through bends for efficient exhaust flow.
• Aggressive Exhaust Sound: Delivers a deeper, more pronounced exhaust tone while maintaining a practical replacement-style configuration.

Fitments:
1989 Dodge W250 Base
1989 Dodge W350 Base
1990 Dodge W250 Base
1990 Dodge W350 Base
1991 Dodge W250 Base
1991 Dodge W350 Base
1992 Dodge W250 Base
1992 Dodge W350 Base
1993 Dodge W250 Base
1993 Dodge W350 Base

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1