PWM Fan Splitter Question

So I have a Hyper 212 and I'd like to add an additional fan to push/pull the air through. My question is, since I don't have any more headers available on my board, will a PWM fan splitter work in the CPU fan header and detect both fans as one? I basically want both fans to spin up accordingly to the CPU temperature. Will a splitter mess up the readings at all?

PWM Fan splitter is exactly what you want. You can get them pretty cheap.

AFAIK Noctua PWM fans come with splitters (or Y cables). And they also happen to be the best out there.

Neat! Yeah I've scoped them out online. Cheap indeed. As long as both fans still work the same way, I'll be happy!

No problems with the rpm signal either?

I'm thinking about getting a splitter myself.