If you're looking to enhance the exhaust flow on your vehicle, the Stainless Works FC4225-400 collector is a solid choice. This premium collector measures 2-1/4" at the primary, 4" at the outlet, and is 8" in length, making it a perfect fit for a variety of performance applications.
This collector is designed to integrate seamlessly with specific setups, ensuring that you get the most out of your exhaust system. It's ideal for those who want to improve power and sound without compromising on quality. Whether you're upgrading your headers or just looking for a reliable replacement, this collector will meet your needs.
One 2019 Ford Mustang GT owner shared, "I installed the FC4225-400 collector along with my aftermarket headers, and the difference in exhaust flow is noticeable. The sound is deeper and more aggressive, and I could feel a slight increase in throttle response. Highly recommend for anyone looking to upgrade their Mustang's exhaust system!"
For those who have specific size or length requirements, Stainless Works offers customization options to ensure you get the perfect fit for your setup. Just reach out, and they’ll help tailor a collector to your exact specifications.
Keep in mind that the price listed is for each individual piece, so plan accordingly if you're looking to upgrade multiple components.
Other Part Numbers:
Stainless Works #sswFC4225-400
⚠ 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.