powerplate question

Stock 58mm TB and Plenum..11.744 here..far away but encroaching :)

Back to the EGR hole issue..drill it or not..what is the benefit/prob from running it blocked..emmissions is not a concern..

I went from running 12.80's down to 12.30's by adding the plate and switching to Nitto DR's..knock did go down :)
 
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