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GFB BOV Trumpet Extremely Loud BOV Horn

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  • Regular price $39.00
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This will turn your GFB BOV or GFB Bypass Valve into a VERY loud BOV!

 THIS IS THE LOUDEST BOV YOU CAN FIND WITH THIS HORN. THIS HORN IS BEYOND EXTREMELY LOUD.

Whistling Trumpet
You asked, we delivered. Many times we have been asked for a replacement trumpet that gives a different sound, and here it is.

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.

In 2004, GFB released the Whistling Trumpet (part # 5701), which emitted a piercing screech when driving aggressively. Unfortunately for a number of GFB owners, the 5701 trumpet only worked with some valve types.

For the owners of all other types of GFB valves, we have now released this Horn  – a modified version of the Whistling Trumpet that is designed to work on low boost applications where the 5701 doesn’t cut it.

This can be used in place of the standard trumpet on all GFB valves, and will make the whistling sound more readily than the 5701 (high boost and RPM is required to get the whistle from a 5701), and at a slightly higher pitch. Like the 5701 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.


Customer Reviews

Based on 13 reviews
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A
Alfredo

The whistle noise it adds sound so good and loud

W
Will
Much better than standard trumpet

This sounds so great. At low boost, it sounds normal or no sound which is good when you drive around the neighborhood in the morning or late in the night, once you push to full throttle, it sounds super loud and satisfy.

d
desi

Awesome

p
peter jackson
GFB BOV LOUD TRUMPET

shocker, its loud!
good sound, dead easy to install, looks good, fits well but was a bit tight on my GTB, works tho!
N75 also threw in some Airheads and a Jet tag which was not expected!

G
Guillaume

Greet produit