ITG Air Filters, Air Horns, & Accessories
ITG is one of the leading air filter manufacturers in motorsports. The distinctive 3-layer foam filters have been used on everything from motocross sidecars to F1. Now the ITG line also includes high-quality air horns and innovative filtration options for velocity stacks.
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Velocity Stack (Air Horn) for 40mm DCOE - 39mm (1.54") Tall ITG Velocity Stacks (Air Horns) improve air flow to your carburetor. The 40 DCOE size has a 45mm OD sleeve, the bell OD is 2.25" with 9/16" exposed height. Fits genuine Weber 40 DCOE carburetors only. | Velocity Stack, Bolt-On for 45DCOE, 40mm (1.57") Tall Velocity stack air horns improve airflow into your carburetor to increase power. This short version bolts on to Weber 45DCOE, Dellorto 45DHLA, and Mikuni 44PHH. | ITG 13mm ID Engine Crankcase Breather |