Quote:
Originally Posted by Dinan_Engineering
The section being replaced (center resonator) is the same on the CP as it is on the standard to my knowledge so the improvement/delta should be roughly equivalent to what was shown on the supplied video. In the next week or so you should start to see some reviews and I would imagine a few had the CP package and can weigh in first hand though.
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I have read on that on the CP exhaust the resonator is different and less insulated than the standard F90 non comp exhaust, I'm sure the X-pipe will make a difference but again based on all the reading and pics on the forum it makes a bigger sound difference on the non-comp cars