If you're diving into a header upgrade or installation, you know that precision is key. The 2.125" Diameter Collector Diamond from Stainless Works is your go-to solution for achieving that perfect fit and ensuring optimal performance. Designed specifically for 4:1 header configurations, these collector diamonds help align your primary tubes, minimizing the risk of leaks and maximizing exhaust flow.
This collector diamond is tailored for a seamless fit with 2.125" outside diameter primary tubes, making it ideal for various performance applications. Whether you're working on a classic muscle car or a modern performance vehicle, this part is essential for ensuring your headers function as intended. Remember, this price is for each individual piece, so plan your installation accordingly.
One 2020 Mustang GT owner shared, "I installed the Stainless Works collector diamonds during my header swap, and they fit perfectly. No leaks, and the alignment was spot on. It made the whole process smoother." Another 2018 Camaro SS owner noted, "These diamonds helped me achieve that clean look I was after. The fitment was precise, allowing for a tight seal and a noticeable improvement in exhaust flow."
Upgrade your headers with confidence. The Stainless Works 2.125" Diameter Collector Diamond is a must-have for any serious build aiming for performance and reliability.
Other Part Numbers:
Stainless Works #sswFCFD212
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Stainless Works is an industry leader in stainless steel performance headers and exhaust systems. It offers long-lasting, rust-free performance with good looks to boot. The company designs and manufactures all aftermarket parts on-site right here in the USA. Stainless Works is also a custom job shop that specializes in engineered fabrications – a division it has named MetalFab Group. Its durable, American-made systems and individual components are created to maximize your vehicle’s performance, sound, and fuel efficiency. Stainless Works is constantly adding new products to its lineup for a variety of different cars and trucks, including the classics. Each Stainless Works performance system boasts proven power gains through pre- and post-dyno testing. Its selection of power goodies also includes mufflers, universal stainless pipes, exhaust tips, catalytic converters, and complete exhaust kits.
What Makes Stainless Works Special?Stainless Works’ products have a reputation for their premier quality. The brand has engineered its products to withstand severe engine conditions so they do not rust like the cheaper 400 series stainless steel used by its competitors.
Stainless Works exhausts and headers are crafted from high-grade TIG-welded 304 stainless steel, which resists corrosion and is much stronger than those cheaper counterparts. Its products are manufactured with exacting specifications by skilled American craftsmen and new technologies, including CNC Trumpf Lasers, CNC Press Brakes, and a CNC Robotic Cell. Furthermore, the company’s in-house processes are available for any custom application you require, including special laser cutting and bending. Stainless Works stands by the quality and workmanship of its products and always strives to improve the experience of the products it offers consumers.
While Stainless Works is primarily known for its complete header and exhaust systems, it also produces a variety of stainless-steel components, like Rod and Header Builder Kits, mandrel bends, tubing, mufflers, exhaust tips, standard header components, and more. The company is also available to develop solutions that will help you customize a system to satisfy your needs using special bends, flanges, adaptors, etc.
Upgrade to Stainless Works at Vivid RacingVivid Racing carries a wide selection of performance parts from Stainless Works like catbacks, catless downpipes, exhaust tips, mid-pipes, headers, straight pipes, mufflers, Y-pipes, and complete systems. If you have any questions regarding the products listed above or need help locating an item, please call our specialized sales team at (480) 966-3040.