Back Pressure - Zorst ’n’ filter

  1. #1
    A Peugeot engineer guy that lives near us reckons if you change your exhaust and put an air filter on a VTR you ruin your back pressure and your car will be slower than before the mods.
    This true?
    or is he talking out of his arse?
  2. #2
    Depends which filter and Exhaust

    If you get a CDA and a Magnex system you will be fine

    We can sort something if your looking to buy

    John
  3. #3
    standard vtr manifold is very restrictive, citroen designed in this way to make the vts so much better.