Fits 1994-1997 Ford F-250 and F-350 (7.3L Powerstroke).

Upgrade your vehicle's exhaust system with the Diamond Eye K5314A-RP turbo-back kit, specifically engineered for the 7.3L Powerstroke diesel. This 5-inch single system is designed to reduce backpressure and lower exhaust gas temperatures (EGTs) by replacing the restrictive factory piping from the turbo housing back. The kit features a muffler replacement pipe for maximum flow and an aggressive exhaust note, utilizing CNC mandrel-bent tubing to ensure consistent diameters and optimal gas velocity.

• 5-inch CNC mandrel-bent aluminized steel construction
• Full turbo-back single exhaust configuration
• Includes dedicated muffler replacement pipe
• Designed for 1994-1997 Ford F-250/F-350 7.3L models
• Engineered for precise fitment and improved thermal management
• Manufacturer Part Number: K5314A-RP

Fits select 1994-1997 Ford F-250 and F-350 trucks (7.3L Powerstroke).

The Diamond Eye K5314A 5-inch Single Aluminized Turbo-Back Exhaust system is designed for diesel owners seeking improved exhaust flow and lower exhaust gas temperatures (EGTs). Built using precision CNC mandrel bending, this system eliminates the restrictive bottlenecks found in factory piping, providing a clear path for exhaust gases from the turbocharger to the tailpipe.

Constructed from heavy-duty aluminized steel, this turbo-back kit offers a cost-effective solution for performance gains without compromising fitment. The single-exit design maintains a classic look while providing the high-volume throughput required by the 7.3L Powerstroke engine.

• System Type: Turbo-back exhaust
• Tubing Diameter: 5-inch
• Material: Aluminized steel
• Exit Configuration: Single
• Construction: CNC mandrel-bent for maximum flow
• Compliance: Meets CARB equivalent standards
• Manufacturer Part Number: K5314A

Fits 1994-2002 Dodge Ram 2500 and 3500 models (5.9L).

This Diamond Eye 5-inch turbo-back exhaust system is engineered to maximize exhaust flow and reduce backpressure on your Cummins-powered Dodge Ram. Constructed from heavy-duty aluminized steel, this kit includes a dedicated muffler replacement pipe to provide an unrestricted exhaust path and a more aggressive sound profile. Each component is manufactured using precision CNC mandrel-bending technology to ensure consistent tube diameters through every curve, maintaining optimal exhaust velocity.

• System Type: Turbo-Back
• Tubing Diameter: 5-inch OD
• Material: Aluminized Steel
• Configuration: Single exhaust with muffler replacement pipe
• Construction: CNC mandrel-bent tubing for maximum flow
• Manufacturer Part Number: K5216A-RP

Fits 2000-2003 Ford F550 (7.3L).

Improve the efficiency and performance of your 7.3L Powerstroke with the Diamond Eye K4331A 4-inch turbo-back exhaust system. This single-exit kit is designed specifically for Ford F550 chassis-cab configurations, replacing the restrictive factory tubing with high-flow aluminized steel. By increasing exhaust volume and reducing backpressure, this system helps lower exhaust gas temperatures (EGTs) and improves turbo spool-up, providing better throttle response for heavy-duty towing and hauling.

• System Type: Turbo-Back Single Exhaust
• Tubing Diameter: 4.0-Inch (101.6mm)
• Material: Aluminized Steel (AL)
• Vehicle Fitment: 2000-2003 Ford F550 Rollover / Chassis-Cab
• Engine: 7.3L V8 Diesel
• MPN: K4331A

Constructed for durability and precision fitment, this kit utilizes heavy-duty mounting points to ensure secure placement under the chassis. It includes all necessary piping and hardware for a comprehensive installation on your F550.

Fits 2000 to early 2003 Ford F-450 (7.3L).

Maximize the performance and efficiency of your 7.3L Powerstroke with the Diamond Eye K4329A 4-inch turbo-back exhaust system. This single-exit kit is engineered to replace the restrictive factory exhaust from the turbocharger outlet to the tailpipe. By utilizing 4-inch diameter mandrel-bent tubing, this system significantly reduces backpressure and lowers exhaust gas temperatures (EGTs), which is essential for engine longevity and towing performance.

Constructed from durable aluminized steel, this kit offers a cost-effective solution for F-450 owners looking for improved flow and a deeper exhaust note without the weight of stainless steel. The system is designed for a precise fit on the F-450 chassis cab configuration.

• System Type: Turbo-Back
• Diameter: 4-inch
• Exit Position: Single side exit
• Material: Aluminized steel
• Includes all necessary hangers and hardware for installation
• Manufacturer Part Number: K4329A

Fits 2000-2003 Ford F-250 and F-350 Chassis Cab models equipped with the 7.3L Power Stroke diesel engine.

The Diamond Eye K4327A turbo-back exhaust system is engineered to replace the restrictive factory piping with high-flow 4-inch mandrel-bent tubing. By increasing the diameter and smoothing the exhaust path, this system helps lower Exhaust Gas Temperatures (EGTs) and improves overall engine efficiency and throttle response. Constructed from durable aluminized steel, this kit offers a cost-effective solution for heavy-duty work trucks without sacrificing fitment or performance.

• System Diameter: 4-inch
• Configuration: Turbo-back, Single Exit
• Material: Aluminized Steel
• Fitment: Specific to Chassis Cab (C&C) configurations
• Manufacturer Part Number: K4327A
• Includes all necessary hangers and hardware for installation

Fits 2000-2003 Ford E-Series Vans equipped with the 7.3L Powerstroke diesel engine.

This Diamond Eye 4-inch turboback single exhaust system is engineered to replace restrictive factory piping with high-flow mandrel-bent tubing. By increasing the diameter to 4 inches, this system significantly reduces backpressure and helps lower exhaust gas temperatures (EGTs), which is critical for the longevity and performance of the 7.3L Powerstroke engine. Constructed from durable aluminized steel, it provides a balance of performance gains and value, delivering a deeper, more aggressive exhaust note compared to the stock setup.

• System Type: Turboback Single
• Tubing Diameter: 4-Inch
• Material: Aluminized Steel
• Compatibility: 2000-2003 Ford E-Series Van
• Engine: 7.3L Powerstroke Diesel
• Manufacturer Part Number: K4325A-RP

Fits 2000-2003 Ford E-Series vans (7.3L).

The Diamond Eye K4325A 4-inch turbo-back exhaust system is engineered to maximize exhaust flow and thermal management for the 7.3L Powerstroke diesel. By replacing the restrictive OEM tubing with a high-flow, 4-inch mandrel-bent system, this kit helps significantly reduce backpressure and lower exhaust gas temperatures (EGTs), which is critical for component longevity during towing or heavy-duty cycles.

• Construction: Mandrel-bent aluminized steel for consistent internal diameters and corrosion resistance.
• System Type: 4-inch turbo-back kit, replacing the exhaust from the turbocharger outlet to the tailpipe.
• Exit Configuration: Single side exit.
• Compliance: Designed to meet CARB equivalent standards for 2000-2003 vehicle applications.
• Included Hardware: Complete kit includes all necessary hangers and clamps for a secure installation.
• Manufacturer Part Number: K4325A

Fits 2000-2003 Ford F-250 and F-350 Super Duty trucks equipped with the 7.3L Powerstroke diesel engine.

Relieve backpressure and reduce exhaust gas temperatures (EGTs) with the Diamond Eye K4319A-TD turbo-back exhaust system. This 4-inch diameter kit replaces the entire factory exhaust system starting at the turbocharger outlet, including a high-flow downpipe. The aluminized steel construction offers a cost-effective, durable solution for diesel owners looking to improve turbo spool-up and overall engine efficiency.

• System Diameter: 4-inch mandrel-bent tubing
• Configuration: Turbo-back single exit
• Material: Aluminized steel
• Exit Style: Turn-down tailpipe for a clean, under-chassis look
• Compatibility: Replaces restrictive OE exhaust on 2000-2003 Ford 7.3L models
• Manufacturer Part Number: K4319A-TD

This kit is engineered to provide a precise fit on Ford Super Duty chassis, utilizing mandrel bends to maintain consistent diameter and optimal flow throughout the system.

Fits 2000-2003 Ford F-250 and F-350 Super Duty models (7.3L).

Maximize exhaust flow and reduce restrictive backpressure on your 7.3L Power Stroke with the Diamond Eye 4-inch turbo-back single exhaust system. This kit is engineered to replace the narrow factory setup with high-flow aluminized steel tubing, specifically featuring a muffler replacement pipe for an unrestricted path. By increasing exhaust velocity and volume, this system helps lower exhaust gas temperatures (EGTs) while delivering the deep, aggressive tone that diesel enthusiasts demand.

• Manufacturer Part Number: K4319A-RP
• Tubing Diameter: 4-inch
• Material: Corrosion-resistant aluminized steel
• System Type: Single Turbo-Back
• Included Components: Muffler replacement pipe and necessary installation hardware
• Design: Mandrel-bent tubing for optimized airflow

Fits 1994-1997 Ford F-250 and F-350 models (7.3L Powerstroke).

Improve the exhaust flow and performance of your 7.3L Powerstroke with the Diamond Eye 4-inch Turbo-Back Muffler Replacement Pipe Kit. This single-exit system replaces the restrictive factory exhaust with high-quality stainless steel piping, engineered to withstand corrosion and high EGTs. Every kit is manufactured using advanced CNC mandrel-bending technology to ensure consistent pipe diameters throughout every curve, minimizing backpressure and maximizing flow.

Designed specifically for the 1994-1997 OBS Ford trucks, this kit provides a direct-fit solution for enthusiasts looking for the durability of stainless steel and the increased sound profile of a muffler-replacement system. This product does not meet CARB equivalent standards for sale in certain regions.

• 4-inch diameter tubing for optimized exhaust flow
• High-quality stainless steel construction
• CNC mandrel-bent for smooth, unrestricted transitions
• Includes turbo-back piping and muffler replacement pipe
• Single-exit configuration
• Manufacturer Part Number: K4306S-RP

Fits select 1994-1997 Ford F-250 and F-350 models equipped with the 7.3L Powerstroke diesel engine.

This Diamond Eye Performance 4-inch turbo-back exhaust system is engineered to maximize flow and reduce EGTs by replacing restrictive factory components. Built from CNC mandrel-bent aluminized steel, this kit ensures smooth exhaust gas transitions and consistent pipe diameters for optimal performance. This specific configuration includes a muffler replacement pipe, providing a straight-through flow design for increased efficiency and a more aggressive exhaust note.

• System Type: Turbo-Back Single Exhaust
• Tubing Diameter: 4-Inch
• Material: Aluminized Steel
• Exit Location: Single Side Exit
• Key Component: Includes Muffler Replacement Pipe
• Construction: CNC Mandrel-Bent
• Manufacturer Part Number: K4306A-RP

Note: This system is not CARB compliant and is not for sale or use in California or other states adopting CARB emissions standards.

Fits 1994-1997 Ford F-250 and F-350 trucks equipped with the 7.3L Powerstroke diesel engine.

This Diamond Eye 4-inch turbo-back exhaust system is engineered to replace the restrictive factory piping from the turbocharger outlet to the tailpipe. By utilizing CNC mandrel-bent aluminized steel, this kit maximizes exhaust flow and helps reduce EGTs (Exhaust Gas Temperatures), which is critical for the longevity and performance of the 7.3L Powerstroke platform. The larger 4-inch diameter provides a significant increase in volume over stock components, offering a deeper exhaust note and improved efficiency.

• System Type: Turbo-Back
• Exit Style: Single
• Tubing Diameter: 4-inch OD
• Material: Aluminized Steel
• Construction: CNC Mandrel Bent
• Compatibility: Non-Filter Specific (NFS) with CARB equivalent standards
• Manufacturer Part Number: K4306A

Fits 1994-2002 Dodge Ram 2500 and 3500 Base models (5.9L).

Improve the exhaust flow and performance of your second-generation Cummins diesel with the Diamond Eye K4214A-RP turbo-back exhaust system. This 4-inch diameter kit is engineered to replace the restrictive factory exhaust from the turbocharger back to the tailpipe, featuring a muffler replacement pipe for maximum flow and an aggressive sound profile.

Each system is manufactured using precision CNC mandrel-bending technology to ensure consistent diameter throughout the bends, reducing backpressure and helping to lower exhaust gas temperatures (EGTs). Constructed from durable aluminized steel, this dual-exit kit provides a high-performance alternative to stock components, designed specifically for the 5.9L powertrain.

• Manufacturer Part Number: K4214A-RP
• Tubing Diameter: 4-inch
• System Type: Turbo-Back
• Configuration: Dual Exit
• Material: Aluminized Steel
• Components: Muffler replacement pipe, mandrel-bent tubing, and installation hardware

Fits 1994-2002 Dodge Ram 2500 and 3500 models equipped with the 5.9L engine.

Improve exhaust flow and reduce backpressure on your 5.9L Cummins with this 4-inch turbo-back exhaust system from Diamond Eye Manufacturing. This kit (MPN: K4212A-RP) is engineered using CNC mandrel-bent tubing to ensure consistent diameter throughout every curve, minimizing turbulence and lowering exhaust gas temperatures (EGTs). Constructed from durable aluminized steel, this system includes a muffler replacement pipe to provide a more aggressive exhaust note and maximum flow efficiency by removing the restrictive factory muffler.

• 4-inch OD mandrel-bent tubing for superior flow volume
• Aluminized steel construction for reliable performance and corrosion resistance
• Complete turbo-back configuration includes muffler replacement pipe
• Single-exit design specifically tuned for 1994-2002 Dodge heavy-duty trucks
• Designed for straightforward installation using existing factory mounting points
• Manufacturer Part Number: K4212A-RP

Fits 1994-2002 Dodge Ram 2500 and 3500 (5.9L).

Upgrade your diesel's performance and efficiency with the Diamond Eye K4212A 4" Turbo-Back Single Exhaust Kit. This system is engineered to maximize exhaust flow and reduce backpressure by replacing the restrictive factory tubing from the turbo outlet back. Constructed from durable aluminized steel, each pipe is shaped using precision CNC mandrel-bending technology to ensure a consistent diameter through every bend, preventing the turbulence common in crush-bent alternatives.

• Manufacturer Part Number: K4212A
• System Diameter: 4-inch
• Material: Heavy-duty aluminized steel
• System Type: Turbo-back single exit
• Construction: CNC mandrel-bent tubing for optimal flow
• Compatibility: Engineered for the 1994-2002 Dodge Ram 5.9L Cummins platform

Fits 1989-1993 Dodge W250 and W350 models equipped with the 5.9L Cummins engine.

The Diamond Eye K4211A-RP turbo-back exhaust kit is engineered to significantly reduce backpressure and lower exhaust gas temperatures (EGTs) by replacing the restrictive factory system. This kit features a muffler replacement pipe (muffler delete) to provide a straight-through flow path, maximizing the performance and sound of the 12-valve Cummins powerplant. Constructed using CNC mandrel-bending technology, the 4-inch aluminized steel tubing maintains its diameter throughout every bend for consistent exhaust velocity.

• System Type: Turbo-Back
• Tubing Diameter: 4.0"
• Exit Style: Single Exit
• Material: Aluminized Steel
• Includes: Muffler replacement pipe for maximum flow
• Manufacturing: CNC Mandrel-bent for optimal exhaust scavenging
• Manufacturer Part Number: K4211A-RP

Fits 1989-1993 Dodge W250 and W350 4-wheel drive models (5.9L Cummins).

Improve your 1st Gen Dodge Cummins' performance and exhaust flow with the Diamond Eye K4211A 4-inch turbo-back exhaust system. Engineered specifically for 4WD applications, this single-exit system replaces the restrictive factory piping with high-flow, CNC mandrel-bent tubing to reduce backpressure and help lower exhaust gas temperatures (EGTs).

Constructed from durable aluminized steel, this kit is designed for precise fitment and long-term reliability. Diamond Eye utilizes state-of-the-art research and development to ensure each component meets strict tolerances for a straightforward installation on your W-series truck.

• Part Number: K4211A
• System Type: Turbo-Back
• Tubing Diameter: 4-inch
• Material: Aluminized Steel
• Configuration: Single Exit
• Fitment Note: 4-Wheel Drive (4WD) Models Only

Fits 1989-1993 Dodge D250 and D350 2-wheel drive models (5.9L).

Eliminate exhaust restrictions and improve the sound profile of your first-generation Cummins with this Diamond Eye turbo-back muffler replacement pipe. This 4-inch diameter component is designed to replace the factory muffler section, providing a more direct path for exhaust gases to exit. By reducing backpressure, this pipe helps manage EGTs and improves overall engine efficiency during towing or heavy-duty use.

Constructed from high-quality aluminized steel, this pipe utilizes CNC mandrel bending to maintain a constant diameter throughout every curve, preventing the flow turbulence common in crush-bent alternatives. Specifically engineered for 2WD chassis configurations, it ensures proper clearance around factory drivetrain components for a straightforward installation.

• Manufacturer Part Number: K4209A-RP
• Tubing Diameter: 4-inch OD
• Material: Aluminized Steel
• Exit Type: Single Exhaust
• Bending Type: CNC Mandrel Bent
• Configuration: Turbo-Back Muffler Replacement (2WD Only)

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