The GRT-WGT-505 is a high-performance external wastegate designed for precision boost control and optimal turbocharger efficiency. This wastegate is engineered to outflow competing models while maintaining compatibility with various setups. It directly replaces wastegates such as the TiAl MVR, Turbosmart 45mm, and Precision 46mm, ensuring a seamless integration into your turbo system.
The CFD-optimized design of the GRT-WGT-505 enhances exhaust flow, allowing for quicker response times and improved boost control. This wastegate effectively regulates turbocharger shaft speed by venting exhaust gases around the turbine stage, ensuring that your turbo operates within its optimal range. The advanced thermal optimization increases the diaphragm's durability, making it a reliable choice for high-performance applications.
Serviceability is a key feature of the GRT-WGT-505. The cap design facilitates easy spring changes and maintenance, allowing users to quickly adjust settings or perform routine checks without extensive disassembly. This practical design consideration is essential for those who frequently tune their setup for varying performance needs.
For automotive enthusiasts looking to enhance their turbocharged setup, the GRT-WGT-505 by ATP Turbo stands out as a robust and efficient wastegate option, providing both reliability and performance.
⚠ 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.