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Two and Three Wheeler industry in the Asian region is growing at a rapid pace, as commuting by these vehicles is more affordable and efficient, specially in the developing nations. However, tightening of emission legislations, aimed at creating a cleaner and healthier environment, has led to increasingly demanding efforts required in making more efficient engines / vehicles and also focus on effective after-treatment systems. Catalytic converters, being the most preferred option for after-treatment solutions, play an important role in achieving the desired end results. Over the past several years, monolithic catalytic converters with laminar flow profile were being used by automotive industry. These catalytic converters though create some turbulence at the inlet, make the majority of the rest of the flow laminar, thereby reducing the mass transfer of the exhaust gas components to the effective catalytic sites.