Pipercross Air Filters Opel Signum 1.9 CDTi 150 PS Bj 4 / 2004-10 / 2009
I have installed the PC in my Signum. Because he is not oiled, unlike the KN filters. Those who want additional oil in the intake? No one really because it makes problems in the long run. I have the filter installed as a goodie for Chiptuning. Otherw
