25 mm long bolt-on trumpet for 40mm carburetors

Known the world over under various names such as Velocity Stacks, Air Horns, Trumpets or Ram Pipes they allow you to "tune" you engine in a relatively simple way and this particular version is a 25mm "tall" top quality machined alloy bolt-on trumpet for 40mm diameter carburetors.

So, these trumpets measure 25 mm in total length.

Diameter at the flared end is some 57mm.

They feature 65 mm stud centers and will fit, amongst others, the following carburetors:

• Dellorto DHLA 40
• Dellorto DRLA 40
• Weber DCOE 40
• Weber DCOM 40
• Weber IDF 40
• Solex DDH 40
• Solex ADDHE 40
• Other carburetors with a 40mm bore and 65mm stud centers
• Throttle bodies with 65mm stud centers and 40mm bore

25 mm long bolt-on trumpet for 40mm carburetors

25 mm long bolt-on trumpet for 40mm carburetors