Coupon Code BOOST5 at checkout

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Financing available for as low as 0%.

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

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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