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  1. New Exhaust - Euro3 or Euro4?

    Exhaust Systems
    I've a 2017 NineT fitted with Akro including welded DB killers. I'm considering swapping it out for the AC Schnitzer Stealth. Now I should go the for Euro 4 version (which I assume has fixed DB killer too) but can I go for the Euro 3 version (removable DB killer?) or will there be fit/remap...