Quote:
Originally Posted by HP Autowerks
For comparison we re-install the oem mid-pipe and find it to have more drone(it doesn't really bother me) than the aftermarket mid-pipe that replaces it. The oem mid-pipe also has more slightly more drone at various rpm ranges where the aftermarket only seem to do it ever so slightly at one certain rpm only.
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Very interesting
Curious, are you selling your modification to the market?
Could you take some in car sound samples with both systems?
Question about your mid pipe system: essentially the system removes the two cats and replaces them with straight pipes?