Uses advanced gas dynamics and sophisticated noise cancellation acoustics. Moroso engineers have developed the spiral flow racing muffler with specially engineered spiral baffles that divide the exhaust flow into two seperate paths, significantly reducing noise levels with minimal backpressure. These mufflers offer a 5-7 DB drop over open collectors. The all steel construction makes them durable. Features a 2 1/2 inch inlet and outlet. Sold as one muffler. |
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