centre silencer

  1. #1
    Hi do you have to have a centre silencer to pass mots and also how much loader will it be with a piper backbox
  2. #2
    its not needed no, u only need the cat, piper boxes shouldnt affect the mot.
  3. #3
    Jeers will it make the exhaust much louder
  4. #4
    yeah will make quite a bit louder!!
  5. #5
    Jeers even with the cat in place
  6. #6
    To pass the MOT you need at least one silencer and a cat. But remember, if its too loud he will fail it. But i doubt a piper back box on a standard car will be too loud.
  7. #7
    98dcb if i remember correctly

    should be fine with the piperbox fitted