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GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
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Load image into Gallery viewer, GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
Load image into Gallery viewer, GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
Load image into Gallery viewer, GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
Load image into Gallery viewer, GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
Load image into Gallery viewer, GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
Load image into Gallery viewer, GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
Load image into Gallery viewer, GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)

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GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)

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GFB5701
Blow Off Valve Accessories
$42.75 $38.99
The 5701 can be used in place of the standard trumpet on GFB valves (Part numbers...
Size/Fitment Guide
$38.99
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GFB Whistling Trumpet (suits all valves)
GFB Whistling Trumpet (suits all valves)
$42.75 $38.99
GFB 33mm Hose Plug
GFB 33mm Hose Plug
$15.00 $13.99
GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
Description
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.
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