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    Rc390 custom exhaust

    I trying to make by bike do 45+whp I know a guy in my country (india) who can replicate any exhaust header , resonator etx.. In India import duty is 45% , so it impossible to get tyga or akra can u help me to choose which type of exhaust path is better 1...
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    Need Help Decat or decat and resonator delete for rc390 2018

    I'm new to the forum . I have a confusing in choosing between decat or do both decat and resonator . My preference is to maximum gains after dyno tune and i dont need my bike sound as loud as full system (cops problem).
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