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  1. Exhaust Power Chamber/H Pipe/Crossover

    CX Customization and Mods Forum
    My 81 CX500 handbook refers to this as the Power Chamber. Exactly what is this device. Is it really a power chamber? Is it an expansion chamber? Is it just a way to quiet the exhaust pulses? Mine is in great shape, and I at this point I am satisfied with the quiet ride. But, my...