After hours of research for a new cbe, I have finally stopped my choice on FI with CF cans. Now I need to decide on either 12 or 18 inch resonators. Also, I am planning to keep the stock cats.
First question : with the windows down, is there a noticable different between both options or is it mainly inside with windows up?
Second question : Is there a noticable difference in drone between both options or only sound level?
Third question : any regrets for those who went with 18 with stock cats?
Many thanks
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