Triumph America & Speedmaster Air Intake Bellmouth

Triumph America & Speedmaster Air Intake Bellmouth
Increases horsepower by increasing air intake. For Triumph Cruisers.
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This product is not for sale in California and use is restricted for closed course competition only. Not intended for street use on any pollution controlled motor vehicle. Any order constitutes Buyers offer to Seller and agrees to the Terms and Conditions stated here upon purchase or acceptance.



If you do not want to upgrade your intake system with the Triumph America & Speedmaster Air Box Removal Kit, the Norman Hyde Bellmouth is the next best thing. The Norman Hyde Bellmouth removes the stock snorkel and increases air flow through the stock air box. Jetting will be required and for best performance gains, we recommend installing a K&N air filter, NGK Iridium Spark Plugs British Customs Air Injection Removal Kit.


  • Triumph America
  • Triumph Speedmaster


Note: For off road use not legal for registration for on road use in California.

This part fits the following models
Triumph America Carb - 2002-2008
Triumph America EFI - 2009-2016
Triumph Speedmaster EFI - 2009-2016
Triumph Speedmaster Carb - 2003-2008
*Refer to Description in event of VIN specific fitment
Q & a

Product Questions

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How many are required for an install? Is it one, or is it one per cylinder?
There is only 1 required to complete the installation.
Customer Support answered on May 1, 2017