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The Stainless Works 4-way collector is a mandrel-formed header collector made from 304 stainless steel for corrosion resistance. It merges four 2-1/4" ID primaries into a smooth-flow tapered 3-1/2" OD single outlet to enhance exhaust flow characteristics. CNC-formed with a smooth taper, these collectors include a lifetime warranty and are produced in the USA for reliable installation.
Stainless Works 4 way collector 2-1/4in inlet 3-1/2in od outlet
