If you’re in the market for a turbo that packs a serious punch without breaking the bank, the GTW3884JB (also known as the GTW6265JB) is definitely worth a look. This journal bearing turbo from Garrett is designed for those who want to push their ride to the limit—think around 800 horsepower potential. That's the kind of power that can really transform your driving experience.
The GTW Series is Garrett's answer to the popular 6266 turbo size, and it delivers solid performance at a price that won’t leave you gasping for air. The compressor wheel is no joke, with a 62.3mm inducer and an 84.4mm exducer, making sure you get that sweet spool-up and airflow you crave. Plus, it features a compressor wheel trim of 54, so you know it’s built for efficiency.
On the turbine side, you’re looking at a 74.2mm inducer and a 64.6mm exducer with a turbine trim of 76. This setup means you’ll get a nice balance of responsiveness and power. The compressor housing is a T04S frame, complete with a 4-inch inlet and a 2.5-inch outlet, and it’s got a built-in anti-surge design that really helps with keeping things stable under pressure.
Now, a heads-up: this isn’t a direct drop-in for the smaller Garrett GT or GTX series turbos. The GTW Series has a bulkier bearing housing, so you’ll need to consider that when planning your install. Also, the oil feed and return fittings are different from the smaller frames, so make sure you grab the right components—like the oil feed flange (ATP-FLA-041) and the oil drain flange (ATP-FLA-042)—to avoid any headaches down the line.
Speaking of components, there are plenty of turbine housing options to fit your setup. Whether you're looking for a T3 inlet with a 4-bolt outlet or a V-band option, there’s a configuration that’ll work for you. You can choose from various A/R ratios, like .63, .82, or even 1.08, depending on your performance goals.
So, if you're ready to take your build to the next level, the GTW3884JB is a solid choice. It’s built for performance, offers flexibility in installation, and has the specs to back it up. Just remember to grab the right fittings and components, and you’ll be on your way to unleashing some serious power.
⚠ 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.