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