Unique angle is designed to leave room for steering U-Joints. No hassle installation. Designed to work with Flaming River's Mustang Billet-Power Rack and Pinion kits.Header Style: Long tubeHeader Material: SteelHeader Finish: Silver Ceramic CoatedPrimary Tube Outside Diameter (in): 1 5/8 in.Collector Attachment: Ball and socket flangeCollector Diameter: 3.000 in.Collector Reducers Included: YesPrimary Tube Gauge: 16-gaugeBolts/Studs Included: YesGaskets Included: YesCrossover Pipe Included: NoSpark Plug Position: StraightCatalytic Converter(s) Included: NoNOTE: Hydraulic Throw-out Bearing recommended for use with these headers.