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

Name: GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
Brand: Go Fast Bits
SKU: GFB5701
Price: 40.41 USD
Availability: InStock

MPN#: GFB5701

Brand: Go Fast Bits

$40.41 $44.90

⚠️ This product cannot be shipped to California.

⚠️ This product may cause cancer or reproductive harm.

No Purchase Necessary - Void Where Prohibited: See Official Rules

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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