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Description
Made of high quality T-304 Stainless Steel with computerized mandrel-bends for strength and durability i.e. Maximizing smoothest high exhaust air flow rate 4-1 high performance long tube racing Spec. Design/ flange type: 3-bolt Inlet/ outlet: 1-3/4" OD mm/ 3" OD mm/ increase high flow air, instantly gain 10 -15 HP./ TQ. Weldable 3" OD mm to 2-1/2" OD mm collector Reducers/ 18 gauge wall piping 5/16" thick header flanges/ TIG welded CNC machine flange