Go Fast Bits GFB Respons Blow Off Valve Kit

Fits 1999–2000 Subaru WRX and STI Models

Part #: T9000

Overview

The GFB Respons Blow Off Valve Kit is a high-performance upgrade designed specifically for Subaru WRX and STI models from 1999 to 2000. This kit offers a versatile solution for enthusiasts seeking improved throttle response, rapid boost recovery, and an adjustable venting bias to customize the blow-off sound and performance characteristics. Crafted with precision and durability in mind, the Respons BOV is ideal for drivers who want a reliable, tunable, and aggressive sound while maintaining optimal boost control during spirited driving or daily use. Whether you're upgrading your stock system or replacing an existing BOV, this kit provides a seamless fit and enhanced functionality. It is engineered to withstand boost pressures exceeding 100psi, ensuring long-lasting performance even under demanding conditions. The Respons BOV helps eliminate issues like backfiring and stalling associated with fixed-ratio atmosphere-venting valves, offering a more refined and adaptable boost management solution.

Key Features

Designed with advanced GFB TMS Technology, the Respons BOV delivers quick boost recovery and precise control. Its adjustable venting bias allows you to tailor the blow-off sound and response to suit your driving style and vehicle setup. Constructed from high-quality materials, it ensures durability and consistent performance. The kit includes all necessary hardware for straightforward installation, making it accessible for both enthusiasts and professional installers. Its compact design integrates seamlessly with your vehicle’s existing intake system, providing a clean and functional upgrade.

Construction & Design

The Respons BOV features a robust aluminum body with a polished finish, combining lightweight strength with corrosion resistance. Its precision-machined components ensure a perfect seal and reliable operation. The adjustable venting mechanism is engineered for smooth, responsive actuation, supporting a customizable sound and response profile.

Driving Feel & Feedback

This blow-off valve enhances your vehicle’s response by reducing lag during gear shifts and maintaining consistent boost pressure. The adjustable bias allows you to fine-tune the venting to achieve the desired auditory and performance effects, resulting in a more engaging driving experience.

Installation & Fitment

The kit is designed for a straightforward bolt-on installation, compatible with the factory piping and mounting points on 1999–2000 Subaru WRX and STI models. Detailed instructions are included to facilitate a hassle-free upgrade process.

What’s Included

The package includes the GFB Respons BOV unit, mounting hardware, and necessary fittings to ensure a complete and ready-to-install kit.

Ideal For

This product is perfect for Subaru enthusiasts looking to improve boost response, customize blow-off sounds, and enhance overall engine responsiveness during aggressive driving or tuning projects.