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tubi resonators

  1. Aftermarket resonators... whats out there for M5

    E39 M5 and E52 Z8 Discussion
    How do I start... I loved the sound of my Nowack exhaust in the US. Liked the sound of the Kelleners Race on the Ute M5 in OZ, but I thought the US sound was better/deeper and to be honest the Kelleners seemed a bit metalic in my Ute in Australia. With the Kelleners on and when I intially...
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