Unicorn True Equal Length 4-2-1 Modular Headers

True equal length 4-2-1 (triple Y) modular headers constructed in T304 stainless steel, full mandrel bends, TIG welding & back purged construction. Features double-slip joints at each collector secured with spring clamps to eliminate stress fractures, allow self-sealing expansion & flexibility and allows for disassembly. Ideal for high pressure forced induction applications. Header flanges are laser cut and over-sized to match bored out exhaust ports. Exit pipe is 3" diameter with stainless steel v-band flanges and clamp. Supplies Included12mm copper nut setSpring clamp setSpring hook tool3" v-band clamp6" long connecting pipe w/ integrated AFR/wideband sensor bung   Note: will require minimal welding of connecting pipe to factory catalytic converters.