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exhaust gut
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  1. MXZ / Legend / Summit / Grand Touring / Formula
    I have a stock mach 1 twin pipe exhaust can. Can I cut it apart and gut it and not ruin it? I have done it to a stock single pipe 670 and worked fine. Its just to darn quiet. But I dont want to loose any power. Good Idea or bad Idea. I figure gut the airbox baffles and can It will flow better...
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