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Go Fast Bits 99-21 Subaru WRX STI WGA Wastegate Actuator | Subaru WRX STI (99-21) (GFB7305)

Go Fast Bits 99-21 Subaru WRX STI WGA Wastegate Actuator | Subaru WRX STI (99-21) (GFB7305)

SKU:7305

In stock

Regular price $166.16 USD
Regular price $232.50 USD Sale price $166.16 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The GFB 99-21 Subaru WRX STI WGA Wastegate Actuator is a high-performance boost control component designed to optimize turbocharged engine response. Featuring an industry-first silicone/Nomex diaphragm with a new bead retention design, this wastegate actuator offers the largest effective area while maintaining a compact size. Its innovative design provides enhanced control authority over the wastegate flap, resulting in more precise boost regulation and improved overall turbo performance. Constructed with durable materials, it ensures reliable operation under demanding conditions, making it an ideal upgrade for enthusiasts seeking better boost management and throttle response.

This wastegate actuator is specifically engineered for the 2011-2021 Subaru WRX STI models, requiring a tune for optimal performance. Its compact form factor allows for straightforward installation as a direct replacement on the stock wastegate assembly. Suitable for street and track use, it enhances boost control and stability during high-performance driving. The kit includes the actuator itself, designed to integrate seamlessly with the factory setup, providing a reliable upgrade for those looking to maximize their turbocharged Subaru's capabilities.

Overview

Go Fast Bits GFB Wastegate Actuator

Fits Subaru WRX STI 99–21

Part #: 7305

Overview

The Go Fast Bits GFB Wastegate Actuator is a high-performance upgrade designed for Subaru WRX STI enthusiasts seeking improved boost control and responsiveness. Crafted with advanced materials and innovative design, this actuator helps optimize your turbocharged engine's performance by providing precise control over wastegate operation. Its compact size makes it suitable for a variety of setups, while its robust construction ensures durability under demanding conditions. Whether you're tuning for maximum power or seeking more consistent boost levels, this actuator is engineered to support your goals with reliability and efficiency.

Key Features

This wastegate actuator features a state-of-the-art silicone/Nomex diaphragm with a unique bead retention design, maximizing effective diaphragm area within a compact form factor. Its long 18mm stroke and increased rod travel allow for fine-tuned boost regulation, giving you better control over your turbocharged engine's response. The design promotes improved boost stability and reduces lag, making it ideal for performance tuning applications. Built to withstand high temperatures and pressures, it offers long-lasting performance and consistent operation.

Construction & Design

The GFB WGA is constructed with precision-machined components and high-quality silicone/Nomex diaphragm materials. Its compact size is achieved through innovative design, ensuring it fits seamlessly into your vehicle's existing setup without sacrificing performance or reliability. The durable materials and meticulous engineering make it suitable for both street and track use, providing a reliable upgrade for serious enthusiasts.

Driving Feel & Feedback

This wastegate actuator enhances your vehicle’s boost control, resulting in more predictable and stable power delivery. The improved response helps you achieve smoother acceleration and better throttle feel, especially during tuning adjustments. Its precise operation minimizes boost spikes and fluctuations, contributing to a more refined driving experience.

Installation & Fitment

Installation involves replacing the stock wastegate actuator with this high-performance unit, typically requiring basic mechanical skills. It is designed as a direct bolt-on upgrade for Subaru WRX STI models from 1999 to 2021, ensuring a straightforward installation process for most users.

What’s Included

The package includes the GFB Wastegate Actuator and all necessary mounting hardware for a secure fit and optimal performance.

Ideal For

Perfect for Subaru WRX STI owners looking to enhance boost control, improve tuning flexibility, and support high-performance applications. Suitable for both daily drivers and race cars seeking consistent and reliable boost regulation.
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