HYBRIDFLOW 6/1 system. . American Racing system • 304 Steel, Laser Weld • 3 inch size Available with all exhaust sensor locations for different models. Includes manifold and downpipe with clamp and gasket. New, unused. Gasket is free of any cracks or welds. Was installed on a VTC. Best offer. Location: Al-Qassim, Al-Rass.