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  1. Cooper S with JCW Rear exhaust silencer

    General Discussion
    Has anyone fitted a jcw backbox to their Cooper s? Just wondering on noise difference, sounds, more pops and bangs? It’s for a 2013 R56. Also if anybody knows where to get one from that would be a massive help. Cheapest I’ve found new was on minigenuineparts for £450 but I’ve seen old posts on...
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