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The Stainless Works 4-way collector is a mandrel-formed header piece built from 304 stainless steel for maximum corrosion resistance. It gathers four 2-1/8" ID primaries into a smooth-flow tapered 4" OD single outlet to support higher flow capacity. CNC-formed with a smooth taper, these collectors include a lifetime warranty and are proudly made in the USA for reliable exhaust work.
Stainless Works 4 way collector 2-1/8in inlet 4in od outlet
