Flowtech Stainless Steel Exhaust Headers - 11545FLT Part #: 11545FLT Line: FLT Flowtech Stainless Steel Exhaust Headers Manufacturer's Defect Warranty Color: Silver Finish: Natural Material: Stainless Steel Port Shape: Square Hardware Included: No Attachment Method: Weld-On Tube Size (in): 1-5/8 Inch Collector Size (in): 3 Inch Gasket Or Seal Included: No Primary Tube Diameter (in): 1-5/8 Inch Tube Direction: Up-Right Engine Make/Size: Chevrolet Small Block Oxygen Sensor Port Included: No Show More Show Less