Hey I have a front facing pleanum I got for my vl turbo but now don't need it as I need rb25 one for rb25/30, I got it of eBay cost me $538 or so.
Hand sanded to 120 grade and then mirror polished.
Plenum is made to suit N.A.
Runners and use the original AAC valve and connections on the rear of it, so that it is simply a change over job to install and will work easily with the stock ecu.
Just got this of eBay here is a item number of the same
thing 260616933208
Msg 0412625881 for pics
Asking $300 posted