smoking issue cover up?
im fbo and sec cat delete and my car smokes alot to a point where i cant take it anymore.
would secondary cats cover up the smoke at all?
2007/1 e90 335i jet black
jb4 g5 iso/race flash--dci/scoops--cpe dp's turbo back straight pipe--cpe ic--aa cp/bov--trunk mount meth 1xcm14--kw v2/f14s nitto invo--m3 control arms,m3 fsb