Aluminum Tubing6061 Aluminum Straight Tubing6061 Aluminum Straight Tubing; 2.75 in. O.D.; Polished; 18 in. Long;SPECIFICATIONS:Diameter Outside (in.): 2.75Bend Angle: StraightCenter Line Radius: N/ALeg/Straight Length: 18 in./457.2mmGauge: 16Material: 6061 Aluminum Inlet Diameter: 2.75 in./69.9mmOutlet Diameter: 2.75 in./69.9mmThickness: 1.5mmFinish: PolishedFEATURES:AluminumOverall Length Tolerance +/-2 in.1 Year Limited WarrantyVibrant Performance aluminum tubing is constructed from 6061 aluminum. Each tube is mirror polished, and requires minimal preparation for welding and fabrication. Fabricators can count on Vibrant Performance Aluminum tubing for its material consistency and dimensional accuracy.Vibrant Performance was established in 1997 to design and produce Exhaust and Induction components for the Sport Compact