Is this a LS6 Intake ?
Non-EGR would be a 2001 or up intake right ?
You have to go by the casting numbers, or look at the bottom, for the full, flat appearance of the LS6 intake.

91 Z28 LS2 408CI, LS9 Supercharger, LPE GT7 cam, Yank3000, 3450 raceweight.
Latest numbers: 9.71 ET, 141.42 MPH, 1.40 60' , 610 RWHP Mustang Dyno
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