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Improve Stock EU Inlet-Plenum

348 Views 0 Replies 1 Participant Last post by  AlessandroM
Hey there

Has anyone optimized the black inlet part that wraps the filter? I have recently noticed how the tube inside the filter was cut open by someone on a friends car.
Does that actually help in any way? Are there other things to improve flow on that part?

I know some smooth out the inlets on the counter piece towards the carbs.

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