If you're looking to elevate your turbo setup, the ATP Turbo T3 Divided Exhaust Housing is the perfect choice for enhancing the performance of your full-size GT35R or GTX35 series turbocharger. Designed specifically for the 68mm turbine wheel with a .78 A/R, this housing utilizes a twin-scroll design that optimizes exhaust gas flow, providing quicker spool times and improved throttle response. The industry-standard 3" V-band outlet ensures a secure and efficient connection to your downpipe, minimizing exhaust turbulence.
This exhaust housing is compatible with a range of applications that utilize the T3 flange, making it an ideal upgrade for performance-focused builds. Whether you're tuning a 2002 Subaru WRX or a 2015 Ford Mustang, this part is engineered to fit seamlessly into your existing setup.
To ensure a hassle-free installation, consider the following components:
Here’s what a 2020 WRX owner had to say after installing the ATP-HSG-391: "The twin-scroll design made a noticeable difference in spool time. I paired it with a full exhaust system, and the response is incredible—no lag at all! Installation was straightforward with the recommended components." This kind of feedback highlights how well this exhaust housing integrates into existing setups while delivering real-world performance gains.
Upgrade your turbocharger with the ATP Turbo T3 Divided Exhaust Housing and experience the difference in your vehicle’s performance. This is a must-have for serious tuners looking to maximize their setup!
⚠ 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.