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  1. Info on M4 RM1 Exhaust? Is it louder than Akrapovic Carbon?

    FZ-09 Performance & Suspension
    Hey all, I can't seem to find any reviews on the M4 RM1 full exhaust system for MT-09. I was curious to know about the lack of crosspipe on the headers.... Is this a huge problem for low end torque? I read somewhere that it helps with low end power. Can anyone shine light no this product? Is it...
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