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By Go Fast Bits

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

$38.48
$42.75 $38.48
-$4.27
  Lease to own   Pay as low as   $/week
Availability:
SKU: GFB5701
$38.48
$42.75 $38.48
Go Fast BitsGFB Whistling Trumpet (suits all valves)
GFB Whistling Trumpet (suits all valves)
Turbosmart Spring Clamps 0.24
TurbosmartTurbosmart Spring Clamps 0.24
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.