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BMW M3 Turbo Header

A look at the SFR 321 stainless-steel headers. Starting with 1.6-inch primaries, it converges into twin, 3-into-1 Burns collectors with 2-inch outlets, crossing over and merging once again through a Washbon 2-into-1 collector with a two-inch inlet and a 2.25-inch outlet. A 2.25-inch pipe (not pictured) makes it up to the inlet of the turbo hot side.
Project BMW E36 M3 - Part 27

 A look at the SFR 321 stainless-steel headers. Starting with 1.6-inch primaries, it converges into twin, 3-into-1 Burns collectors with 2-inch outlets, crossing over and merging once again through a Washbon 2-into-1 collector with a two-inch inlet and a 2.25-inch outlet. A 2.25-inch pipe (not pictured) makes it up to the inlet of the turbo hot side.  View Related Article

 

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