Diamond Eye Performance DEP K4338A-RP 4-Inch Aluminized Cat-Back Exhaust System for 2003-2007 Ford F-250 and F-350 Super Duty 6.0L Powerstroke

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! Exhaust System Kit, 2003-2007 FORD 6.0L POWERSTROKE F250/F350 (ALL CAB AND BED LENGTHS) 4in. ALUMINI Made in USA, Increased Performance, Aggressive Sound, Affordable

Upgrade the exhaust performance of your 2003-2007 Ford F-250 or F-350 Super Duty with the Diamond Eye Performance DEP K4338A-RP exhaust system kit. Designed for trucks equipped with the 6.0L Powerstroke diesel engine, this 4-inch cat-back system replaces restrictive factory exhaust components to support improved exhaust flow, increased performance, and a more aggressive exhaust note.

Manufactured in the USA by Diamond Eye Performance, the DEP K4338A-RP uses aluminized steel tubing and precision mandrel-bending technology to maintain consistent internal diameter through the bends. This construction helps reduce turbulence and supports efficient exhaust gas evacuation while providing a practical balance of durability and value for street-driven and work trucks. The kit is designed for extended-cab applications and is suitable for compatible F-250 and F-350 Super Duty configurations.

Diamond Eye Performance applies extensive fabrication experience and modern CNC equipment to its exhaust components. The company’s engineering and research facilities support development of performance exhaust products for the automotive aftermarket. This system is intended for off-road or competition use where emissions regulations require, and applicable federal, state, and local requirements should be reviewed before installation.

Product Specifications and Technical Data

• Brand: Diamond Eye Performance
• Part Number: DEP K4338A-RP
• Product Type: Cat-back exhaust system kit
• Vehicle Application: Ford F-250 and F-350 Super Duty
• Model Years: 2003-2007
• Engine Application: 6.0L Powerstroke diesel
• Material: Aluminized steel
• Exhaust Tube Diameter: 4 inches

What's Included

The box includes the Diamond Eye Performance exhaust system components required for the specified application. Installation hardware and component contents may vary by application; verify the included parts against the vehicle configuration before installation.

Fitment: Designed for select 2003-2007 Ford F-250 and F-350 Super Duty trucks with the 6.0L Powerstroke engine, including extended-cab configurations. Confirm cab, bed length, exhaust layout, and vehicle-specific compatibility before ordering.

Features:

• 4-Inch Exhaust Diameter: Provides increased exhaust capacity over restrictive factory tubing to support improved flow on 6.0L Powerstroke applications.
• Aluminized Steel Construction: Delivers corrosion resistance and dependable durability for everyday driving, towing, and work-truck use.
• Mandrel-Bent Tubing: Maintains a consistent internal diameter through bends to help reduce turbulence and preserve efficient exhaust flow.
• Performance-Oriented Design: Supports increased performance and produces a more aggressive exhaust sound while replacing factory cat-back components.

Fitments:
2003 Ford F-250 Super Duty Lariat
2003 Ford F-250 Super Duty XL
2003 Ford F-250 Super Duty XLT
2003 Ford F-350 Super Duty King Ranch
2003 Ford F-350 Super Duty Lariat
2003 Ford F-350 Super Duty XL
2003 Ford F-350 Super Duty XLT
2004 Ford F-250 Super Duty Harley-Davidson Edition
2004 Ford F-250 Super Duty King Ranch
2004 Ford F-250 Super Duty Lariat
2004 Ford F-250 Super Duty XL
2004 Ford F-250 Super Duty XLT
2004 Ford F-350 Super Duty Harley-Davidson Edition
2004 Ford F-350 Super Duty King Ranch
2004 Ford F-350 Super Duty Lariat
2004 Ford F-350 Super Duty XL
2004 Ford F-350 Super Duty XLT
2005 Ford F-250 Super Duty Harley-Davidson Edition
2005 Ford F-250 Super Duty King Ranch
2005 Ford F-250 Super Duty Lariat
2005 Ford F-250 Super Duty XL
2005 Ford F-250 Super Duty XLT
2005 Ford F-350 Super Duty Harley-Davidson Edition
2005 Ford F-350 Super Duty King Ranch
2005 Ford F-350 Super Duty Lariat
2005 Ford F-350 Super Duty XL
2005 Ford F-350 Super Duty XLT
2006 Ford F-250 Super Duty Harley-Davidson Edition
2006 Ford F-250 Super Duty King Ranch
2006 Ford F-250 Super Duty Lariat
2006 Ford F-250 Super Duty XL
2006 Ford F-250 Super Duty XLT
2006 Ford F-350 Super Duty Harley-Davidson Edition
2006 Ford F-350 Super Duty King Ranch
2006 Ford F-350 Super Duty Lariat
2006 Ford F-350 Super Duty XL
2006 Ford F-350 Super Duty XLT
2007 Ford F-250 Super Duty Harley-Davidson Edition
2007 Ford F-250 Super Duty King Ranch
2007 Ford F-250 Super Duty Lariat
2007 Ford F-250 Super Duty XL
2007 Ford F-250 Super Duty XLT
2007 Ford F-350 Super Duty Harley-Davidson Edition
2007 Ford F-350 Super Duty King Ranch
2007 Ford F-350 Super Duty Lariat
2007 Ford F-350 Super Duty XL
2007 Ford F-350 Super Duty XLT

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1