GFB Whistling Trumpet for GFB Response/Deceptor Pro BOV - Suits Low Boost

GFB Whistling Trumpet – Low-Boost Blow-Off Valve Accessory | 5702

Purpose-Built Turbo Performance

Upgrade the details that define your turbocharged driving experience with the GFB Whistling Trumpet – Low-Boost Blow-Off Valve Accessory. Developed by Australian turbo-performance specialist Go Fast Bits (GFB), part number 5702 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.

A Focused Solution for Turbo Plumbing and Servicing

Small turbo-system accessories have an important role in achieving the intended configuration. Correctly selected components help finish an installation cleanly, replace a damaged fitting or support a change to how an existing valve vents or how associated plumbing is routed.

Unlike the higher-boost 5701 trumpet, the 5702 is designed to produce its distinctive higher-pitched whistle more readily on lower-boost applications. Atmospheric flow needs to be directed primarily through the trumpet.

Unlike a complete valve or controller, this accessory does not independently increase engine power. Check the exact product size, valve model and installation arrangement before purchase. Where a hose or port is sealed, secure retention and leak-free operation are essential.

Key Features & Benefits

• Distinctive high-pitched venting sound
• Developed for lower-boost operation
• Replacement trumpet accessory
• Not a complete blow-off valve

Vehicle Fitment & Compatibility

Compatible GFB valves using the relevant trumpet outlet; recommended for Respons and Deceptor Pro II except T9003 and T9503.

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: 5702
• Product Type: GFB Whistling Trumpet for GFB Response/Deceptor Pro BOV - Suits Low Boost
• Application: Compatible GFB valves using the relevant trumpet outlet; recommended for Respons and Deceptor Pro II except T9003 and T9503

Why Choose GFB at Symmetry Spec?

GFB combines practical turbo-system knowledge with component development focused on real operating conditions. The 5702 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.