TWM Induction / Borla Induction – Air Horn (Funnel, Stack, Trumpet) – Mikuni / Solex Carburetor – 40PHH 75mm O/L Full Radius. Priced and Sold Individually. Flange Mounting Hole Center to Mounting Hole Center = 65mm.
Dimensions: A 40 / B75 / C 85
Type: Full Radius
Borla Induction #201009
TWM Induction #2900-4075
Produced on a CNC lathe from 6061 T6 aluminum, these air horns have a full radius top to maximize airflow.
Air Horns are also referred to as Air Funnels, Velocity Stacks, Trumpets.
Does Not fit Solex “D” Port carburetors.
Special Order – Drop Ship from Borla/TWM Available.














