K-series Swap BMC 4-2-1 non Lean CRX EF lean k series 5 oxygen ports

5 oxygen ports

using Innovative Mounts

CNC machine ultra light flange

DTR design CL7/CL9 TSX 4-2-1 street header available in standard 44mm stepped or 48mm stepped big tube tri-Y Max

304 stainless construction using  3/8 head flange

K-series Swap BMC 4-2-1 non Lean CRX EF lean k series 5 oxygen portsK series race application 4 2 1 bent merge collector header, for K swap Hasport non lean mounts with megaphone and reverse cone. Built per application. Multi step design, CNC machine ultra light flange, U. S grade 304 stainless, brush finish, stainless steel spring hardware, argon filled back purge, fully TIG welded. Race header optional 3" V band available for exhaust connection. 3 4 week lead time.