Quote:
Originally Posted by pbonsalb
Yes, you will hear a turbo whistle under low load at low rpm, but just a little bit more than with secondaries only. If you don’t have secondaries yet, try them first. You gain sound and a little power. From there I would go to primaries whether no cats or high flow of power is the priority. If sound is the priority, I would go to a cat back exhaust.
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What about smell as the primary concern? These vs the Mad catless primaries with catless secondaries. Wife is being a pain in the ass i might buy these if it shuts her up.