03-20 Nissan 350Z 370Z Fairlady Resonated Y Pipe Exhaust Mark LT The best way to tell

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03-20 Nissan 350Z 370Z Fairlady Resonated Y Pipe Exhaust Mark LT The best way to tellCircuit Werks 03 09 Nissan 350Z two piece Resonated Y Pipe replaces the factory Y pipe in favor for a larger diameter for a smoother exhaust flow and less back pressure. The Y Pipe features two high flow flex pipes and resonator to reduce the interior noise without sacrificing performance. Our proprietary design is made to be interchangeable with our resonated or straight piped section. Dual 2. 5" inlets to a full 3" outlet design Fits 03 09 350Z 09