While awaiting Invidia to reply, I've listened to that video several times, sounds like normal rasp to me.
As for the leak, Nath says the garage that fitted the exhaust swapped the left with right pipes in the Y section. Has anyone else did the same with their Invidia exhausts?
Neah, I'm looking for a 2010-2011 in white, preferably unmolested, less than 20k miles, 1 owner, full service history at either Kaizer, Litchfield, SVM or Middlehurst. I'm being extremely patient on this one... I think
I might be biased, for me it's always SPL, no matter what, tried and tested, amazing build quality, performance and longevity. That's my experience on both 350z and 370z platforms,