As has already been said, it's normal.
Most high-performance cars use a direct or semi-remote mounted shifter.
On the Z, the shifter bolts to a support structure that mounts directly to the transmission, so you will feel every little vibration coming from the transmission.
Zs & Coffee - Saturdays at 10AM in Fairfax, VA and Columbia, MD (Click the banner!)
LIKE us on Facebook!