If you're looking to enhance the performance of your Borg Warner turbo setup, the ATP Turbo CLC-CLA-056 4" Stainless Downpipe Flange and Clamp is an essential component for your build. Designed specifically for the S400 Series, including models such as the S, SX, SX-E, S400, S400SXE, S475, S480, S463, and S467, this flange provides a reliable connection point for your exhaust system.
The 4" ID on the back end allows you to easily slip a 4" OD tube into the flange for a simple welding process, making installation a breeze. The flat face design ensures a perfect fit onto your T4 housing, providing a solid, leak-free connection that can handle the demands of high-performance applications.
One 2021 Ford F-250 owner shared, “I installed the ATP Turbo flange on my S475 setup, and it fit perfectly. The welds were straightforward, and I noticed a significant improvement in exhaust flow.” Another 2020 WRX owner mentioned, “This flange made my turbo swap a lot easier. The fitment was spot on, and the included clamp feels super sturdy.”
For those serious about their performance upgrades, the ATP Turbo CLC-CLA-056 is a no-brainer. Don't settle for less when it comes to your turbo setup—invest in quality components that deliver results.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Advanced Tuning Products, Inc. (ATP Turbo) is a company that is solely dedicated to turbocharging. Its main goal is to engineer and manufacture quality turbocharging components that deliver a real difference in power gains. Currently located in Hayward, California, ATP Turbo offers an extensive lineup of innovative turbo components, all of which are backed by years of experience and a solid international reputation. The brand’s current lineup includes a wide range of blow-off valves, injectors, adapters, and several other turbo components that are engineered to bring about a significant boost in power.
Dedication to Quality and ReliabilityWhile that act of turbocharging itself is not “new”, many of the parts ATP Turbo creates are born from “fresh” ideas that arise from applying the basic principles of process improvement and re-engineering to turbo systems. Following these philosophies has helped ATP Turbo design and re-design turbocharging components that are reliable, better functioning, and, oftentimes, more simplified than their stock counterparts. ATP products can be purchased as separate components or as a complete kit. For those taking on a larger tuning project, an ATP Turbo kit is certainly the better choice as it has everything you need to get the job done efficiently.
ATP Turbo’s processes rely on the latest equipment and tools to build only the best products in a timely fashion. All of its products are built using the latest high-precision equipment like 4-axis Haas CNC milling stations and lathes. With this, the company is able to switch from prototypes to high-speed production in very little time. What’s more, they are manufactured from high-quality materials to ensure superior durability for longevity and reliability.
ATP’s turbocharging components complement the best turbochargers offered by the aftermarket industry. Garrett Engine Boosting Systems is known for its unsurpassed performance and reliability. Garrett turbo units provide the solid foundation for ATP’s turbocharging applications.
Upgrade to ATP Turbo at Vivid RacingIf you are looking for the finest turbo equipment on the market, then you’ve come to the right place. ATP Turbo manufacturer top-of-the-line turbochargers and turbo components to improve upon the already impressive performance figures of vehicles like the Ford Focus ST, Ford Fiesta ST, Subaru WRX, Mitsubishi EVO, and Hyundai Genesis. ATP produces and tests all of its own products to ensure that each part offers the consumer optimal performance gains.
If you are ready to release the potential of your ride, call our parts specialist today at (480) 966-3040. We will get you equipped with ATP Turbo and make the purchase process a simple and pleasant one.