Originally Posted by AMG3.2

Again, as long as your tune was meant for a car that has cats and therefore shows the O2 Sensors in readiness state, you're totally fine. Try the east bay, lots of good muffler shops in the Dublin, Livermore, Pleasanton area. Maybe give Minute Muffler in Dublin a call.

Originally Posted by AMG3.2

Not at all -- I legit passed. There's a lot of misinformation about this stuff out there. You can do just about anything to exhaust systems as long as you don't touch the actual cats (not secondary cats) in California. All you have to do is have your computer reading the right info based on your O2 sensors, and you're golden since California only smogs via OBD2.

Originally Posted by hachiroku

yep...secondaries and anything after are not part of the "emissions" of the factory computer and removal of any of those while not compliant will not cause issues with emissions testing or validation.

Originally Posted by AhhMyyGawd

Hey guys, so i got an update from my smog guy. He says it wont pass visual. Some shops will do the visual check some don't. I guess that's the reason. Cheers!

Originally Posted by AMG3.2

Again, as long as your tune was meant for a car that has cats and therefore shows the O2 Sensors in readiness state, you're totally fine. Try the east bay, lots of good muffler shops in the Dublin, Livermore, Pleasanton area. Maybe give Minute Muffler in Dublin a call.

Originally Posted by Mazspeed

I have a shop that will take the 2nd cats out and a smog place that will pass it, but can't post it here. Once you get to know them, they will do it.