James junior loving this thread and all the awesome road trip updates, takes me back to a time before babies! I also have the cobra / berk combo on my 370 nismo and agree that the best balance might be just be the cbe on standard cats, however i wont be removing the berks because they are pure deafening evil! Intereating to hear about the Kw v3 because the suspension is the next thing i want to experiment with after i get some MPSS. Keep up the good posts.
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