Stupid question for the day chaps.

I am away from my V8 for a period of time and need to get a pair of cone air filters (cheapest and simplest solution for me) to fit onto my twin SU.

Does anyone know or can measure the diameter of the inlet to the SU (where the elbow to the air filter normally attaches)

Just in case...

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I can have a look later in the week. im running HIF6's

You want the inside or outside diameter?

ive just seen the paint drawing lol.