backbox inlet size

  1. #1
    What size inlet do i need for a backbox on my 1.1? Cheerw
  2. #2
    Its on a flange so go for a exhaust that has a standard fitting

    DONT Buy Universal!!!

    Get something like this
    http://www.ebay.co.uk/itm/SAXO-PIPER...item3ce3ad7f61