Stainless Works 2-1/4in 4-way merge collectors with 4in OD outlet

Made from 304 stainless steel for maximum corrosion resistance. This merge collector with a with TIG welded reverse cone. These are TIG welded for strength and durability. Come with 2-1/4" ID primary size slip-fit inlet and a 4" OD single outlet. These collectors come with a limited lifetime warranty and proudly made in the USA.