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