Suitable for 2001 onwards Bonnevilles with carbies is this Swedish made offset intake kit. The kit utilises your standard carburettors and includes everything seen in Pic #2.
No longer manufactured so may be unique. Thanks for looking and good luck always. The item "Triumph Bonneville Cafe Racer Offset Carburettor Intake Kit by Raask" is in sale since Sunday, March 31, 2019. This item is in the category "Vehicle Parts & Accessories\Motorcycle Parts\Air Intake & Fuel Delivery\Other Intake & Fuel Systems".
The seller is "h2o4l" and is located in Boonah, QLD. This item can be shipped worldwide.