Quote:
Originally Posted by BASELINE
B58 midpipe have a secondary cat and the center resonator, correct?
So one could keep the center Res and remove the Secondary.
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Currently mine is a straight pipe from front to back. Catless dp and oem exhaust sounds really nice. It's really quiet at idle but it's a beast once you slam the gas pedal. That said, it gets a little raspy at high rpm. That's why I'm looking into an aftermarket exhaust.