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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)

Go Fast Bits
GFB5701
In stock
Blow Off Valve Accessories
$42.75 $38.48
The 5701 can be used in place of the standard trumpet on GFB valves (Part numbers...
Size Guide
$38.48
GFB Whistling Trumpet (suits all valves)
GFB Whistling Trumpet (suits all valves)
$42.75 $38.48
GFB Mach 2 Atmosphere Conversion Kit-Changes T9103 or T9133 from Recir to Atmosphere
GFB Mach 2 Atmosphere Conversion Kit-Changes T9103 or T9133 from Recir to Atmosphere
$42.00 $37.80
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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At RaceWerks, we strive to ensure your purchase arrives intact and on time. However, please note that shipping times may vary based on location and the carrier's policies.

Returns Policy

Racewerks is committed to customer satisfaction and will happily accept returns or exchanges on any brand new merchandise, including its packaging, within 30 days of the original purchase date. Please note, a restocking fee of 20% or more is deducted from the price of the returned merchandise, and shipping costs and sales tax on the restocking fee are not refundable.

Shipping

Once your goods have been dispatched, we cannot cancel the order. However, you can request a return once you receive the order. Racewerks is not liable for packages that are lost or stolen once the carrier confirms delivery.

If your tracking information shows that your package was delivered but you haven't received it, you must notify us within 48 hours. We will file a claim to locate your package, but we do not guarantee refunds or reshipments if the package is not recovered.

Cancellation

Once you complete your order, it cannot be cancelled or altered unless the item is out of stock. Our warehouses strive to process orders swiftly, sometimes even outside of customer service hours. Therefore, a cancellation fee of up to 5% may be applicable.

Please note that merchandise categorized as Special Order and Built to Order are final sales and cannot be cancelled, returned, or exchanged.

Below FAQ are some common Questions answered.

Our business operates from 6:00am to 6:00pm CST, Monday through Friday.

At Racewerks, we currently don't provide the option for in-person pick-up. All orders are delivered directly to your specified address.

We accept a variety of payment methods including Visa, MasterCard, American Express, Discover, PayPal.

Yes, we do. Please refer to our Return Policies page for detailed information.Returns Policy

At Racewerks, we won't allow shipping to alternate shipping address

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We collect sales tax for items shipped to a range of states. For the complete list of states, please refer to our 'Collecting Taxes' section.

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