Diamond Eye Performance DEP321045 4-Bolt Exhaust Flange Adapter for 2001-2007.5 Chevy/GMC 6.6L Duramax 2500/3500

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 Flange, 2001-2007.5 CHEVY/GMC 6.6L DURAMAX 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORMAN Made in USA, Increased Performance, Aggressive Sound, Affordable

The Diamond Eye Performance DEP321045 4-Bolt Exhaust Flange Adapter is designed for 2001-2007.5 Chevrolet and GMC 2500 and 3500 trucks equipped with the 6.6L Duramax diesel engine. This clamp-on aluminum flange provides a reliable connection point for compatible exhaust system components and supports custom exhaust fabrication, repair, and performance upgrades.

Engineered by Diamond Eye Performance, the flange is manufactured using precision fabrication methods and quality materials. Its four-bolt design helps provide secure alignment and dependable sealing when properly installed with compatible hardware and gaskets. The clamp-on configuration simplifies exhaust assembly and is well suited for custom installations where accurate fitment and serviceability are important.

The DEP321045 is compatible with all cab configurations and bed lengths within the specified vehicle application range. It is designed to support exhaust system improvements that can contribute to increased performance and a more aggressive exhaust sound, depending on the complete system configuration. Diamond Eye Performance components are developed with aftermarket exhaust applications in mind and are backed by the company’s experience in CNC mandrel bending and exhaust component manufacturing.

This automotive exhaust flange is made in the USA and is intended for off-road, custom, or performance-oriented applications where applicable. Verify vehicle year, engine, exhaust tubing compatibility, flange placement, and required installation hardware before ordering.

Product Specifications & Technical Data

• Brand: Diamond Eye Performance
• Part Number: DEP321045
• Product Type: Exhaust flange adapter
• Material: Aluminum
• Connection Style: Clamp-on
• Flange Configuration: Four-bolt
• Application: 2001-2007.5 Chevrolet/GMC 6.6L Duramax 2500/3500
• Vehicle Coverage: All cab and bed lengths

What’s Included

One Diamond Eye Performance DEP321045 4-bolt exhaust flange adapter. Installation hardware, gaskets, and additional exhaust components are not included unless specified by the seller.

Features:

• Vehicle-Specific Fitment: Designed for 2001-2007.5 Chevrolet and GMC 2500/3500 trucks with the 6.6L Duramax engine.
• Secure Four-Bolt Connection: Provides a stable flange interface for compatible exhaust system components.
• Clamp-On Installation Design: Supports convenient exhaust fabrication, repair, and custom system installation.
• Performance-Oriented Construction: Made in the USA to help support increased exhaust performance and an aggressive sound when used with a compatible system.

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