Diamond Eye Performance DEP221040 4-Inch Turbocharger Downpipe for 1994-2002 Dodge Ram 2500/3500 5.9L Cummins

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! Turbocharger Down Pipe, 1994-2002 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORMANCE DIE Made in USA, Increased Performance, Aggressive Sound, Affordable

Upgrade the exhaust flow and sound of your 1994-2002 Dodge Ram 2500 or 3500 with the Diamond Eye Performance DEP221040 turbocharger downpipe. Designed for 5.9L Cummins diesel applications with all cab and bed lengths, this performance downpipe uses a 4-inch tube and a direct-flange connection for compatibility with HX40 turbocharger configurations. Its performance-oriented design helps reduce exhaust restriction and supports improved turbocharger response and engine breathing.

Manufactured in the USA by Diamond Eye Performance, the DEP221040 is produced using precision fabrication methods and durable exhaust-component materials. The downpipe is engineered to provide increased performance potential and a more aggressive exhaust tone while maintaining an affordable solution for diesel truck enthusiasts. Diamond Eye Performance uses CNC mandrel-bending technology and dedicated research and development resources to produce consistent, high-quality exhaust components for the automotive performance aftermarket.

This downpipe is intended for off-road and competition use where applicable. It is not CARB approved, and installation may require acknowledgment of emissions-related restrictions. Verify turbocharger configuration and exhaust-system compatibility before ordering. Professional installation is recommended to ensure proper alignment, sealing, and clearance throughout the exhaust system.

What's Included

• One Diamond Eye Performance DEP221040 turbocharger downpipe

Fitment

Designed for 1994-2002 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L Cummins diesel engine, including all cab and bed-length configurations.

Features:

• 4-inch exhaust tubing: Supports improved exhaust flow for performance-oriented 5.9L Cummins applications.
• Direct-flange turbo connection: Designed for HX40 turbocharger configurations requiring a direct-flange downpipe.
• Performance die construction: Formed for consistent fitment and reliable exhaust-system integration.
• Aggressive exhaust sound: Helps produce a deeper, more assertive exhaust tone when paired with a compatible exhaust system.

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