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SKU: 220100 | UPC: 841963113372
Diamond Eye Downpipe 4in TB Single AL DODGE 5.9L 2500/3500 89-93 4X4 ONLY
This Diamond Eye 4-inch turbo back single aluminized steel downpipe replaces the factory restrictive pipe on 1989-1993 Dodge W250 and W350 5.9L Cummins diesel 4x4 trucks. It delivers smoother exhaust flow for faster turbo spool quicker throttle response and added horsepower torque. Built with precision mandrel bending this direct-fit part improves engine breathing and reduces backpressure effectively.
Key Features
- Mandrel Bent Design: Creates seamless bends for maximum exhaust velocity and minimal restriction improving turbo efficiency
- 4-Inch Diameter: Handles high exhaust volume from the 5.9L Cummins engine boosting power output across the RPM range
- Aluminized Steel Construction: 16-gauge material resists rust and heat for long-lasting performance in diesel applications
- Direct Bolt-On Fitment: Matches OEM routing for 1989-1993 Dodge 4x4 models requiring no cutting or welding
- Turbo Back Single Configuration: Full replacement from turbo outlet to mid-pipe enhancing overall exhaust system flow
Product Notes
- Designed for 4x4 models only exhaust routing differs on 2WD trucks
- Inspect turbo flange and hangers before install for best results
- Packages securely to prevent shipping damage arrives ready to install
Installation Notes
- Professional installation recommended.
- Remove stock downpipe by loosening V-band clamp at turbo and flanges at transmission
- Uses stock hardware and gaskets torque to 25-30 ft-lbs on all bolts
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1993 | Dodge | W250 | Base |
| 1989-1993 | Dodge | W350 | Base |
Why Choose Diamond Eye?
- Utilizes CNC mandrel bending machines for precise tube forming from 3/8-inch to 5-inch OD
- Operates from 60,000 sq ft manufacturing complex with dedicated R&D center for aftermarket testing
- Maintains large warehouse inventory for fast order fulfillment and customer response
Frequently Asked Questions
-
Q: Does this downpipe fit 1989-1993 Dodge W250 4x4 with 5.9L diesel?
A: Yes it bolts directly to 1989-1993 Dodge W250 Base and W350 Base 4x4 models with 5.9L Cummins engine -
Q: What material and gauge is the downpipe?
A: Constructed from 16-gauge aluminized steel for durability against corrosion and exhaust heat -
Q: What warranty covers this part?
A: Backed by Diamond Eye 5-year warranty on aluminized steel against manufacturing defects
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Durable cardboard tube 48in L x 12in W x 12in H
- Weight: 28 lbs
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