Upgrade your exhaust system with the Stainless Works HCA2.52.25 collector adapters, designed specifically for performance-minded vehicle owners. Whether you're working on a classic muscle car or a modern performance machine, these adapters ensure a perfect fit and optimal exhaust flow.
These collector adapters are compatible with various makes and models that require a 2 1/2" size with a 3-bolt configuration. They feature an outlet diameter of 2 1/4" and an overall length of 6", making them an ideal choice for those looking to enhance their exhaust setup.
Crafted from high-quality 304 stainless steel, these collector adapters are built to last. Each piece is meticulously TIG welded and features robust 3/8" thick laser-cut flanges, ensuring a secure and leak-free connection. You won’t find a more reliable set of collector adapters on the market.
The listed price is for each individual adapter. If you have specific requirements, we also offer custom sizes, polishing, and installation for O2 sensor bungs. Our team is dedicated to helping you find the perfect fit for your exhaust system.
F150 owners have reported that installing these on their 2021 models provided a seamless fit, allowing for improved exhaust flow without any clearance issues. One owner mentioned, “These adapters made my exhaust setup much cleaner, and I noticed a difference in throttle response right away!”
For those looking to elevate their vehicle's performance and sound, the Stainless Works HCA2.52.25 collector adapters are a smart choice. Get ready to experience a boost in your ride's exhaust efficiency and style!
Other Part Numbers:
Stainless Works #sswHCA2.52.25
⚠ 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.