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[shiftysupra]

I found this while browsing, since i order some ss piping to do my exhaust this is a true 3" inlet :naughty:

by Megan Racing
http://www.optionimports.com/mn1muffler.html

 

[87silverbullitt]

My Magnaflow steet series 14834 muffler is also a 3" inlet/4" outlet. You should check that one out also. Its waiting to be installed on my supra.