Nope....it is designed to fight off manifold heat soak...which the 2012 shouldn't have too much issue with since the intake is of a different material than the 2010s and 2011s.
That said, it is possible that a thicker spacer could be good for more torque in the lower rpm ranges...but hasn't be done on an LFX yet.
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2016 Camaro 1SS - 8-speed - NPP - Black bowties
2010 Camaro 1LT V6 (Sold. I will miss her!)
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