Header Style: 4-2-1 two-piece Header Material: Steel Header Finish: Silver ceramic coated Primary Tube Diameter (in): 1 5/8 in. Collector Attachment: Stock flange Collector Diameter: 2.250 in. Tuned: No Primary Tube Gauge: 16-gauge Headers, 4-2-1, 2-Piece, Steel, Silver Ceramic Coated, for use on Honda¬, Prelude, 2.2L, Kit |