Here are a few pictures.
It's winter time here, so road grime has made it real dirty looking LOL
As you can see by weldign my stainless steel mufflers and tips with regular mig wire. It no has some surface rust on those welds.
But i was expecting this to happen. Didn't have access to SS mig wire at that time.
My next 3'' set will be welded with SS wire.
F10 550i Xdrive M sport, white
trade-in 2008 E90 M3