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--rb turbos/rb pcv--bms occ--dci/scoops--cpe dp's corsa race full system--cpe ic--er cp/hks bov--trunk mount meth cm7/cm10--inline lpfp--kw v2/stoptech bbk f&r--m3 bits f&r,m3 fsb,wavetrack lsd--f14s nitto invo--lci conversion