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    Exhaust Systems and Performance: 2-into-1 vs. 2-into-2

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    Gregory Kerkman

    by Gregory Kerkman

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    6 476 views
    How the exhaust system affects the performance of a Harley-Davidson/Buell motorcycle's engine, focusing on the difference between 2-into-1 and 2-into-2 exhaust pipes. Part one of two podcasts.