Diamond Eye INT PIPE 4in CAT/DWNP-BACK SGL/DUAL FOR OFF-RD KITS AL CHEVY/GMC 6 6L 2500/3500 01-07.5 - 321046

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!

Please note image may vary from product. Also, some items are special order. If delivery time is a concern, please contact us prior to purchase. 

Fidanza Performance is excited to offer the go to name in truck exhaust- Diamond Eye!

About Diamond Eye-

Diamond Eye Exhaust has been a trusted name in the performance exhaust industry for over 40 years. Founded with a passion for innovation and a commitment to quality, Diamond Eye began as a small manufacturer specializing in performance exhaust components for diesel trucks. Over the years, the brand has expanded its expertise to include exhaust systems for a wide variety of vehicles, including street cars, off-road rigs, and heavy-duty trucks.

From its humble beginnings, Diamond Eye Exhaust has grown into a leading manufacturer, known for its precision engineering and dedication to improving vehicle performance. The company’s exhaust systems are designed to provide improved airflow, enhanced efficiency, and a powerful sound, all while maintaining durability and reliability. Diamond Eye's products are crafted from the highest-quality materials, ensuring long-lasting performance under even the most demanding conditions.

Fidanza Performance, founded in 1997, is a leading US manufacturer of high-quality lightweight aluminum flywheels, precision adjustable cam gears, and high-performance clutches. With nearly 20 years in the automotive performance market, Fidanza is renowned for its expertise and respected globally, offering products for a wide range of vehicles, from European sports cars to modern muscle cars and imports. The company originated in racing, with founder Lou Fidanza's success in the SCCA leading to the creation of specialty parts like aluminum flywheels. Fidanza has since expanded its product line to include cam gears and performance clutches, gaining a loyal customer base and worldwide recognition. In 2023 Fidanza opened the SpeedParts4Less Marketplace which sells other manufacturers quality high performance parts!