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Choose Your Car 
Go Fast Bits Whistling Trumpet Attachment | (5701) - Modern Automotive Performance


Go Fast Bits

Go Fast Bits Whistling Trumpet Attachment

PART# GFB 5701
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Simply screw this trumpet into any Deceptor Pro, Stealth FX or WRX Hybrid (updated version only), and it will produce an aggressive whistle that sets your car apart from others. Note: definitely does not work on the 'Universal' Hybrid, Liberty GT Hybrid, or any other GFB blow-off valve.

There are a few conditions that must be fulfilled to get the most out of this product. Your blow-off valve should be set to full atmosphere venting, and boost must be at least 12 psi (0.81 bar). The whistle noise is dependent on air velocity through the trumpet, and low-boost set-ups will not be effective.

This trumpet is for the Deceptor Pro, Stealth FX and WRX Hybrid. It definitely does not work on the 'Universal' Hybrid (1003), Liberty GT Hybrid (1015), or any other GFB blow-off valve.

Please Note: This item is not vehicle specific. It is compatible with a wide range of applications and is therefore displayed on our site regardless of your vehicle selection. Please review the specifications and verify compatibility prior to placing your order.

Applications

  • Universal

What's in the Box?

  • 1 Whistling Trumpet Attachment

Simply screw this trumpet into any Deceptor Pro, Stealth FX or WRX Hybrid (updated version only), and it will produce an aggressive whistle that sets your car apart from others. Note: definitely does not work on the 'Universal' Hybrid, Liberty GT Hybrid, or any other GFB blow-off valve.

There are a few conditions that must be fulfilled to get the most out of this product. Your blow-off valve should be set to full atmosphere venting, and boost must be at least 12 psi (0.81 bar). The whistle noise is dependent on air velocity through the trumpet, and low-boost set-ups will not be effective.

This trumpet is for the Deceptor Pro, Stealth FX and WRX Hybrid. It definitely does not work on the 'Universal' Hybrid (1003), Liberty GT Hybrid (1015), or any other GFB blow-off valve.

Please Note: This item is not vehicle specific. It is compatible with a wide range of applications and is therefore displayed on our site regardless of your vehicle selection. Please review the specifications and verify compatibility prior to placing your order.

Applications

  • Universal

What's in the Box?

  • 1 Whistling Trumpet Attachment

Customer Reviews

Based on 1 review
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B
Brandon

Additional attachment to my existing BOV. Nice design and sound.

MAP Limited Lifetime Warranty

1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

For warranty evaluation please create a support ticket via this form Click Here For Customer Service.