TRD Pro does this sound normal?

[crazymac]

When I shut off my TRD Pro it sounds like something is whining.
https://www.dropbox.com/s/k7nch30az2xel49/IMG_2285.MOV?dl=0

 

[BlackWorksInc]

Secondary Air Pump. We get that complaint every now and then with newer Tacomas, it's normal. Something about the way the system logic works to puff out moisture or something (was/is a huge issues on the V8's as they get older... kind of a sore point of contention for non-Tundra/Sequoia V8 owners at the moment.)

 

[crazymac]

Thanks BlackWorksInc

 

[c350z]

My 2015 SR5 sounds the same