It's hair from a real gorilla.
1 seconds sound clip from Knight Rider - Halloween Knight (S3E5).
You can hear this line at 00:11:09.948 in the Blu-ray version of the episode.
Quote context
[...]
- Well, then I'll have to put a curse on you. One that you will never forget.
- Come, Voodoo, we must take our newts out of the oven.
- If you ask me, Michael, she has newts in her belfry.
- Run this through your analyzer, will you, partner?
- It's hair from a real gorilla.
- Why did Bonnie have to choose one of those singles' buildings?
- Relax. This monkey probably hasn't peeled any bananas lately.
- You know, KITT, there can't be too many places that rent out real gorilla-Hair suits.
- Check it out, will you, pal?
[...]