Vulcan's steel HX40 flanges are machined to allow use of 3.5 in. or 4 in. OD tubing. Will mate up to your HX40 or aftermarket S300 variants with HX40..
Fits Cummins 24 valve common rail HE351 turbo exhaust outlet flange.Mild steel flange CNC made by Keating Machine.
Available in 3, 3.5, or 4 inch. 4 ..
T4-T3 Adapter Flange
With T4 sized turbine housings, there is no performance advantage to changing the exhaust manifold to match... So, why go to the..
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