Go Fast Bits
GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid) - 5701
- SKU:
- GFB5701
- UPC:
- 9328022009230
- MPN:
- 5701
- Availability:
- Regularly stocked product
Description
Will this trumpet fit my specific Go Fast Bits blow-off valve?
Confirm fitment with your vehicle by verifying if your GFB valve is a T9003 or T9503 model for a direct replacement.
How does the Go Fast Bits trumpet affect blow-off valve performance?
This necessary accessory ensures most air vents through the trumpet, maximizing blow-off valve function for an enhanced audible output.
Go Fast Bits Trumpets transform specific GFB valves, achieving the top 'Exhaust Note / Sound' score of 9 by delivering a distinct turbo whistle. This direct replacement part ensures most air vents through the trumpet, not elsewhere. Experience exhilarating audible feedback and optimal blow-off valve function.
Key Features
- can be used in place of the standard trumpet on GFB valves (Part numbers T9003 & T9503)
- will make a whistling sound
- 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
Why Choose the GFB Trumpets
Transforms your GFB valve with a direct replacement for enhanced performance.
Delivers an exhilarating audible turbo whistle for a more engaging driving experience.
Ensures maximum air venting through the trumpet for optimal blow-off valve function.
Achieves a distinct turbo whistle even on 50/50 Respons valves.
Who Is This For?
Exhaust Note / Sound — 9/10
Specifically designed to create a whistling sound.
Street Performance — 7/10
Enhances audible feedback from forced induction system.
Track / Autocross — 6/10
Audible turbo whistle can be desirable for drivers.
Racing Competition — 6/10
Audible turbo whistle can be desirable for drivers.
Easy DIY Install — 5/10
Replaces standard trumpet on specific GFB valves.
Engine Performance — 4/10
Ensures most air vents through trumpet, not elsewhere.
Additional Resources
Important Notices
⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Clearance Item: |
N |
MPN: |
5701 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Forced Induction>Blow Off Valve Accessories |
Universal Fitment: |
Y |
Product Level: |
Budget Upgrade |
Exhaust Note / Sound: |
9/10 |
Street Performance: |
7/10 |
Track / Autocross: |
6/10 |
Racing Competition: |
6/10 |
Easy DIY Install: |
5/10 |
Engine Performance: |
4/10 |
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