Fits 1989-1993 Dodge W250 and W350 4WD models (5.9L). Note: This component is designed specifically for 4x4 applications.

Replace restrictive factory tubing with this Diamond Eye 4-inch aluminized intermediate pipe. Engineered for the 1989-1993 Dodge 5.9L diesel trucks, this turbo-back component is CNC mandrel-bent to maintain a consistent diameter throughout every curve. This process eliminates the flow restrictions found in standard crush-bent tubing, helping to lower exhaust gas temperatures and improve overall exhaust scavenging.

Constructed from heavy-duty aluminized steel, this intermediate pipe offers a balance of durability and value for owners looking to restore or upgrade their exhaust system. It is designed to integrate into Diamond Eye single exhaust configurations, providing a precise fit for the W-series 4WD chassis.

• 4-inch outer diameter (OD) for maximum flow
• CNC mandrel-bent tubing prevents power-robbing restrictions
• Durable aluminized steel construction
• Engineered specifically for 4x4 drivetrain clearance
• Manufacturer Part Number: 220101

Fits 1989-1993 Dodge D250 and D350 (5.9L).

This Diamond Eye 4-inch aluminized downpipe is designed to replace restrictive factory components with a high-flow solution. Engineered for the 1989-1993 Dodge 5.9L diesel applications, this pipe utilizes CNC mandrel-bending technology to maintain a constant diameter throughout the bends, significantly reducing backpressure and helping to manage exhaust gas temperatures (EGTs).

The assembly features a precision-machined exhaust flange for a secure fit and reliable seal at the turbocharger connection. Constructed from durable aluminized steel, it offers a balance of corrosion resistance and value for first-generation Dodge truck owners looking to improve exhaust efficiency.

• Main Piping Diameter: 4.0 inches
• Material: Aluminized Steel
• Construction: CNC Mandrel-Bent
• Includes precision machined exhaust flange (EF)
• Direct replacement for 5.9L engine applications
• Manufacturer Part Number: 220099

Fits 1994-1997 Ford trucks equipped with the 7.3L Power Stroke diesel engine.

The Diamond Eye 162004 3-inch stainless steel downpipe kit is engineered to replace the restrictive factory "pancake" downpipe. By utilizing CNC mandrel-bent tubing, this kit maintains a consistent diameter throughout the bend, significantly reducing backpressure and helping to lower Exhaust Gas Temperatures (EGTs). This improved exhaust flow allows the turbocharger to spool faster and operate more efficiently under load.

• Part Number: 162004
• Material: Corrosion-resistant stainless steel for long-term durability
• Tubing Diameter: 3-inch OD
• Manufacturing: Precision CNC mandrel-bent for maximum flow
• Fitment: Direct replacement for OE downpipe on 1994-1997 7.3L models

This kit includes the necessary components to upgrade your exhaust system's primary restriction point, providing the reliability and performance required for heavy-duty towing and daily driving.

Fits 1999-2003 Ford F-250 and F-350 Super Duty (7.3L).

This Diamond Eye 5-inch second-section tail pipe is designed as a direct replacement or upgrade component for turbo-back exhaust systems. Constructed from heavy-duty aluminized steel, this pipe is mandrel-bent to ensure maximum exhaust flow and reduced backpressure for the 7.3L Power Stroke diesel engine. It provides the durability needed for heavy-duty truck applications while maintaining precise fitment within the factory exhaust routing.

• Diameter: 5 inches
• Configuration: Single tail pipe (2nd section)
• Material: Aluminized steel
• Engine Compatibility: 7.3L Power Stroke Diesel
• Mounting: Replaces specific rear exhaust sections
• Manufacturer Part Number: 141002

Fits 1999-2003 Ford F-250 and F-350 trucks (7.3L).

This Diamond Eye Performance first-section tailpipe is designed as a heavy-duty replacement component for 5-inch single turbo-back exhaust systems. Constructed from mandrel-bent aluminized steel, this pipe ensures maximum exhaust flow and reduced backpressure for the 7.3L Powerstroke engine. It serves as a durable, cost-effective solution for repairing or upgrading your truck's exhaust architecture.

• Manufacturer Part Number: 141001
• Diameter: 5-Inch
• Material: Aluminized Steel
• Configuration: 1st Section Tailpipe for Single Exhaust
• Compatibility: Fits Ford Super Duty 7.3L diesel models
• Cross-Reference: Equivalent to stainless steel version 161041

Fits select 1994-2007 Ford F-250/F-350 (7.3L/6.0L) and 5.9L diesel applications.

This Diamond Eye 4-inch aluminized steel tail pipe is engineered as the first section for a dual passenger-side exhaust configuration. Built to handle the demands of performance diesel engines, it utilizes CNC mandrel-bending to maintain a consistent diameter throughout the bend, reducing restriction and helping to manage exhaust gas temperatures (EGTs). This component provides a precise fit for those looking to repair or upgrade their existing exhaust system with durable aluminized piping.

• Manufacturer Part Number: 122025
• Diameter: 4.0 inches
• Material: Aluminized Steel
• Position: 1st Section (Dual Passenger Side)
• Construction: Precision CNC mandrel-bent tubing
• Fitment: 1994-2003 Ford 7.3L, 2003-2007 Ford 6.0L, and select 5.9L diesel engines

Fits 1994-1997 Ford (7.3L).

Improve your vehicle's exhaust efficiency and reduce backpressure with the Diamond Eye 3-inch aluminized turbo downpipe kit. This precision-engineered upgrade replaces the restrictive factory piping with a larger, more efficient 3-inch diameter system designed specifically for the 7.3L Powerstroke engine. By utilizing CNC mandrel-bending technology, Diamond Eye ensures consistent tubing diameter throughout every bend, maximizing exhaust flow and helping to lower exhaust gas temperatures (EGTs).

• Manufactured from durable aluminized steel for reliable service life.
• 3-inch diameter tubing for increased exhaust volume and improved turbo response.
• CNC mandrel-bent construction eliminates restrictive kinks and flow bottlenecks.
• Designed to fit 1994-1997 Ford 7.3L diesel applications.
• Manufacturer Part Number: 122004

Fits select 1994-2007 Ford F-250 and F-350 Super Duty trucks equipped with the 7.3L or 6.0L Powerstroke diesel engine.

This Diamond Eye 4-inch first section tailpipe is engineered as a precise replacement component for single exhaust systems. Using CNC mandrel-bending technology, this pipe maintains a constant diameter through the bend to maximize exhaust flow and reduce backpressure, providing a significant improvement over standard crush-bent alternatives. The aluminized steel construction offers reliable corrosion resistance and heat management for long-term durability on heavy-duty diesel applications.

• Part Type: Tailpipe First Section
• Diameter: 4.0 inches
• Material: Aluminized Steel
• Construction: CNC Mandrel-Bent
• System Type: Single Exhaust
• Manufacturer Part Number: 121025

Fits 1999-2003 Ford F-250/F-350 Cab & Chassis and F-450/F-550 Super Duty trucks (7.3L).

This Diamond Eye Performance 4-inch turbo downpipe is designed to replace restrictive factory exhaust components, increasing flow and helping to lower exhaust gas temperatures (EGTs) under load. Mandrel-bent for maximum efficiency, the aluminized steel construction provides durable performance for your 7.3L Power Stroke. The "Rollover" design ensures precise fitment for specific heavy-duty Ford chassis configurations from the 1999.5 to 2003 model years.

• Diameter: 4-inch large-bore tubing
• Material: Corrosion-resistant aluminized steel
• Configuration: Turbo-back downpipe for single or dual exit systems
• Application: Specifically for Cab & Chassis and F-450/F-550 models
• Installation: Mandrel-bent to maintain consistent inner diameter
• Manufacturer Part Number: 120015