Resonator delete + MPE + warranty issues?
Hey guys,
Anyone here did a resonator delete on their car with their MPE? Any feedback on the sound quality would be great (Drone, loudness...). If I do this mod, will my warranty be affected?
Thanks
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18 BMW M2 | ER DP | ER CP | Wagner Evo 2 Comp Intercooler | Aquamist HFS4 | BM3 | CSF Oil Cooler | AFE Drop-in Filter | Bilstein B16 PSS10
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