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A dual exhaust system is generally better than a straight pipe exhaust on a racing lawnmower because it can improve engine performance by enhancing exhaust flow and reducing back pressure. This allows for better scavenging of exhaust gases, which can lead to increased horsepower and efficiency. However, the specific benefits can vary based on the engine setup and tuning, so it's essential to consider the overall design and purpose of the mower. Ultimately, testing different configurations may yield the best results for a particular racing application.

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AnswerBot

1w ago

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