I was looking at the IntensePower.com resonated Test pipes and was wondering if anyone had them with just the stock or Nismo exhaust. I'm wanting to know how it sounds or if there is any drone in the cabin at cruising speeds.

 

Check this thread for video clip of Nismo Exhaust w/ Test Pipes:

https://my350z.com/forum/intake-exhaust/261949-nismo-cat-back-w-kinetix-rtp-s-and-jwt-flywheel.html