We got a new exhaust system put on the '54 3600 ('55 235, 4spd) today. Nice and quiet, now.

However, I noticed that I now have bluish/white smoke coming out of the exhaust at hot idle in the driveway. It's not terrible, but it's noticeable. I've run this motor quite a bit over the last several weeks with just the exhaust manifold and never noticed any smoke. Is there anything that adding a new exhaust could've caused here, or is it just that the smoke is more condensed in the tailpipe than it was from the manifold so it's more noticeable?