The 5701 can be used in place of the standard trumpet on GFB valves (Part numbers T9003 & T9503), and will make a whistling sound. However, it is necessary to run the valve so that all (or most) of the air vents through the trumpet ? Respons valves will typically not generate the velocity required to whistle when set to 50/50 venting.
The ability to change the sound of a blow-off valve is increasingly becoming an important issue with buyers, who want to sound different from everyone else.
Universal Stealth FX, Deceptor Pro & Respons TMS over 12psi)
The Go Fast Bits GFB Whistling Trumpet (Part 5701) is designed as a versatile replacement for the standard trumpet on GFB valves (Part numbers T9003 & T9503). This component produces a distinctive whistling sound, enhancing the auditory experience of your vehicle's blow-off system. To achieve the desired whistle, ensure the valve is set to allow most air to pass through the trumpet, as these valves typically do not generate sufficient velocity to whistle at a 50/50 vent setting. The trumpet's design allows for easy installation and compatibility with select GFB valve models, providing car enthusiasts the ability to customize their vehicle's sound profile. This product is ideal for those seeking a unique auditory signature, especially when paired with GFB's Stealth FX, Deceptor Pro, or Respons TMS valves operating over 12 psi. Crafted for automotive applications, the trumpet is not CARB approved, but it adheres to Prop 65 standards for safety and environmental considerations. Please note that air freight restrictions apply, and proper handling is recommended. Elevate your vehicle's sound and style with this high-quality, purpose-built whistle trumpet from Go Fast Bits.
Features:
Designed as a direct replacement for standard GFB valve trumpets
Produces a distinctive whistling sound for a personalized auditory experience
Compatible with GFB Stealth FX, Deceptor Pro, and Respons TMS valves over 12 psi
Requires valve venting setup to ensure optimal whistling performance
Constructed for automotive use, adhering to Prop 65 safety standards
