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Originally Posted by SSShark

I ordered a new 1inch cap plug for the air intake tube but I just saw that Phastek has this. Just waiting for them to be back in stock.
https://www.camaro6.com/forums/showp...59&postcount=1

Almost every hardware store stocks Hillman plastic plugs in the aisle with boxes of individual fasteners. The Hillman 1" is the perfect size for both the opening on the firewall and the intake. I posted the Hillman part # in other threads. This actually looks like a factory part installed, although no fancy logo.