I have a performer rpm intake on my engine.
I modified a fibre glass air grabber base by cutting a large hole in it and fitting it to a 1 1/2" drop down base.
I just use a drop down air cleaner base these days.


1970 Road Runner 505 cid MCH CNC ported Stealth heads MP 528 camshaft 4 speed GV overdrive 11.98 @ 117 on street treads