Picked up a 2X4 intake at Carlisle and it has 2 passages that criss cross under the the center exhaust passages so there is a plug each side of the exhaust crossover openings, it has 2 plugs on the bottom, 1 plug in the number 1 runner, it is an ECG9424-D but in the date code there is only an "S". I tried posting pics previously but it knocked me off the site when doing so. Are these all typical features or do I have an oddity here?
When I try to insert a pic, I get a message that it cannot find an instance of the editor? Whats this all about???

55 Vicky & customline

58 Rack Dump, 55 F350 yard truck, 57 F100

59 & 61 P 400's, 58 F100 custom cab, 69 F100, 79 F150, 82 F600 ramp truck, 90 mustang conv 7 up, 94 Mustang, Should I continue?