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Use Coupon Code BOOST5 at Checkout!

Due to high volume of orders, please inquire about inventory if it is not directly listed on the product.

Financing available for as low as 0%.

Go Fast Bits Blow Off Valve Whistling Trumpet Attachment High Boost - Universal

SKU: GFB 5701

Note that this is for the attachment only, and does not include the blow-off valve. 

Here are the details:

  • Works with the Stealth FX, Decepter Pro, and TMS Respons blow-off valves
  • Produces and aggressive whistle

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