[Miko226]

Originally Posted by NickyC

I get greyish smoke every now and then when I come to a full stop. It only lasts for a split second, but it's a heavy burning oil smell. It started doing this as soon as I went with a straight through exhaust, to the day. Since it only happens when I come to a stop, I just attribute it to unspent fuel or whatever cooking off as I stop. It happens pretty rarely though, maybe once a day, sometimes less. I'm not concerned about it at all, catless cars just smoke/smell more.

Yeah this about the same as me it is very rare when it happens and started when i cut the first set of cats out seemed normal to see some when removing them especially on turbo cars