Just a heads up before you find out the hard way...
You should go check my thread on this...because I did this a while ago.
That will not work like that...go ahead and try to screw a filter on it you will see what I mean.That coupler needs to be measured and cut to work,its too tall the filter stops before it is even close to sealing.
http://www.sr20-forum.com/audio-electronics/67167-check-out-my-custom-installed-gauges-nx.html
BTW mine is holding up great after about 8000 miles so far including last years convention track days.