The first batch of 3.0 D4s to arrive late 2009 were fitted with a DPF. The DPF is located between the catalytic converter and the first muffler and has small hoses from the pipe before and after the DPF that go upwards to pressure sensors. The catalytic converter is very close to the engine and is obscured by the gearbox guard but the DPF when fitted is visible immediately below the front passenger floor, where normally there is just a pipe section and no hose connections.
