Skip to product information
1 of 3

Diamond Eye Downpipe 4in TB Single W/ HX40 FLANGE AL DODGE 5.9L 2500/3500 89-93 4X4 ONLY

Diamond Eye Downpipe 4in TB Single W/ HX40 FLANGE AL DODGE 5.9L 2500/3500 89-93 4X4 ONLY

SKU:220105

In stock

Regular price $176.05 USD
Regular price $350.60 USD Sale price $176.05 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Diamond Eye Downpipe 4in TB Single with HX40 Flange is a high-quality exhaust component designed for enhanced performance and durability. Manufactured by Diamond Eye Performance, this downpipe features precision CNC mandrel bending and is constructed from aluminized steel, ensuring strength and resistance to corrosion. The 4-inch diameter tubing optimizes exhaust flow, reducing backpressure and improving turbo efficiency. Engineered with advanced fabrication techniques, this downpipe delivers reliable performance gains while maintaining long-lasting durability under demanding conditions. Its design incorporates a robust HX40 flange for secure turbocharger connection, making it a premium choice for serious performance upgrades.

This downpipe is specifically designed for Dodge 5.9L 2500/3500 models from 1989 to 1993 with 4x4 configurations only. It serves as a direct replacement part, intended for use in off-road, towing, and daily driving applications where improved exhaust flow and turbo response are desired. Installation is straightforward with bolt-on compatibility to the existing turbo flange. This product is ideal for enthusiasts seeking a durable, high-performance exhaust solution tailored to classic Dodge diesel trucks, ensuring optimal fitment and reliable operation in demanding environments.

Overview

Diamond Eye Performance Downpipe

Fits 1989–1993 Dodge 5.9L 2500/3500 4x4 Trucks

Part #: 220105

Overview

The Diamond Eye Downpipe is a precision-engineered exhaust component designed specifically for Dodge 5.9L 2500 and 3500 series trucks from 1989 to 1993 with 4x4 drivetrain configurations. Crafted to support turbocharged setups, this downpipe features a 4-inch diameter and a HX40 flange, ensuring compatibility with high-performance turbo systems. It is ideal for enthusiasts and professionals seeking reliable exhaust flow and durability in demanding applications.

Manufactured by Diamond Eye Performance, a leader in modern exhaust fabrication, this downpipe helps optimize exhaust gas evacuation, supporting improved turbo response and overall engine efficiency. Its robust construction and exact fitment make it a dependable upgrade for maintaining or enhancing your vehicle’s performance.

Key Features

This downpipe offers several key benefits designed to meet the needs of performance diesel truck owners:

  • Constructed using advanced CNC mandrel bending for smooth, unrestricted exhaust flow
  • 4-inch tubing diameter tailored for turbocharged exhaust systems
  • Includes HX40 flange for secure and precise turbocharger connection
  • Designed specifically for Dodge 5.9L 2500/3500 4x4 trucks from 1989 to 1993
  • Manufactured by Diamond Eye Performance, known for quality and innovation in exhaust components
  • Aluminized steel construction offering corrosion resistance and durability
  • Produced with extensive tooling capabilities to ensure consistent fit and finish

Construction & Design

Diamond Eye Manufacturing utilizes state-of-the-art CNC mandrel bending machines and a variety of tooling to produce exhaust components with precise bends and consistent dimensions. This downpipe benefits from these advanced fabrication techniques, resulting in smooth internal surfaces that reduce turbulence and backpressure. The aluminized steel material provides a balance of corrosion resistance and structural integrity, suitable for the harsh conditions faced by diesel trucks.

Installation & Fitment

Designed as a direct fit replacement for the specified Dodge models, this downpipe installs with existing turbocharger hardware using the included HX40 flange. Its tailored dimensions ensure proper alignment with the turbocharger and exhaust system, facilitating a straightforward installation process for experienced mechanics and performance enthusiasts alike.

View full details