Could cause issues with the DPF sensors as they sense a pressure differential across the filter. Sensing a higher pressure on the downstream side might freak out the regen computer.
2014 WK2 EcoDiesel Limited 4x4 Maximum Steel, ORAII, ATG, 8.4AN
2014 WK2 EcoDiesel Limited 4x4 True Blue, ORAII, ATG, 8.4AN - Traded
1990 Mercedes-Benz 300D 2.5 Turbo - 155k
No sparks allowed!