Slant six dual exhaust vs. 2-1?

Where and when did you get your Redline intake? I've had an interest in one for a while but can't seem to put my hands on one.
Ordered it through an Aussie site called EFIhardware.com have to wait for it to come back in stock but they told me it should be in soon. Here’s a link

manifold Chrysler Slant 6 DCOE