GFB Respons Dual Port Variable BOV Blow Off Valve Subaru WRX VA 15-21/Forester XT SJ 13-18/Levorg

GFB Respons TMS Adjustable Blow-Off Valve – Subaru WRX VA / Forester XT SJ / Levorg | T9007

Purpose-Built Turbo Performance

Upgrade the details that define your turbocharged driving experience with the GFB Respons TMS Adjustable Blow-Off Valve – Subaru WRX VA / Forester XT SJ / Levorg. Developed by Australian turbo-performance specialist Go Fast Bits (GFB), part number T9007 is designed to address a specific requirement within the turbocharger, boost-control or charge-air system. From responsive pressure management and configurable turbo sound to service hardware and competition-oriented control, selecting the correct component is an important part of a dependable performance build.

Adjustable Turbo Sound Without Sacrificing Control

The Respons TMS is particularly appealing to Subaru owners who want flexibility in how their turbocharger sounds. Rather than committing to an always-loud atmospheric blow-off valve, the venting balance can be adjusted to favour recirculation, atmospheric release or a point between. This helps owners choose a practical response for daily driving and a more expressive sound for enthusiastic use.

The Respons system lets the owner tune how much charge air is returned to the intake versus vented to atmosphere. It is particularly useful when matching turbo sound preferences to a vehicle’s airflow-metering behaviour.

GFB’s Turbo Management System philosophy also focuses on what happens between gear changes. Instead of venting more compressed air than necessary, the valve is designed to preserve useful pressure when conditions allow. Correct adjustment, intact plumbing and appropriate vehicle-specific installation remain essential for dependable results.

Key Features & Benefits

• Infinitely variable venting balance
• Response-focused TMS valve operation
• Application-specific Subaru replacement
• Adjustable turbo sound

Vehicle Fitment & Compatibility

Subaru WRX VA 2015–2021; Forester XT SJ 2013–2018; Levorg (confirm variant).

Application notes: Confirm the exact turbocharger, original valve or plumbing arrangement and vehicle configuration. A listed model family is not a substitute for checking the manufacturer’s fitting guide.

Technical Specifications

• Manufacturer: GFB – Go Fast Bits
• Part Number: T9007
• Product Type: GFB Respons Dual Port Variable BOV Blow Off Valve Subaru WRX VA 15-21/Forester XT SJ 13-18/Levorg
• Application: Subaru WRX VA 2015–2021; Forester XT SJ 2013–2018; Levorg (confirm variant)

Why Choose GFB at Symmetry Spec?

GFB combines practical turbo-system knowledge with component development focused on real operating conditions. The T9007 is best selected as part of a correctly matched package, with attention to the existing hardware, installation instructions and any calibration needs. Whether maintaining a road-going turbo vehicle or refining a modified build, choosing the correct components helps preserve the responsiveness and reliability that make a well-engineered setup rewarding to drive.

Shop GFB performance components at Symmetry Spec and equip your vehicle with application-focused Australian turbo technology.