I did the DIY Code 3 Intake a while back and it sure does sounds GREAT ! BUT as I know it must be pulling in a LOT of hot air in from the engine compartment, which I know hurts performance, especially in the HOT Florida weather. When I did the mod I made a block-off plate in case I wanted to cap the opening. Thing is I made it out of 1/8" Plexiglas. I'm not sure if that is going to be strong enough. Any suggestion would it be strong enough or should I make it out of something else 1/4" Plexiglas, aluminum, steel, ?????
Also what would be good to use as a gasket (seal) between the block off plate and the intake ??
Any ideas ?