Tyler Hall

C300 check engine light for catless downpipe. Anyone know where to get a sim? Obviously I can get a stage 2 tune to get rid of it

GreekUPS

That’s usually when you hear it. Only on 2015 4 cylinders I believe.

allanyeung99

There are piggyback tunes like jb4 motorsports and other companies that can turn off the CEL off for like $500-$800. Where stage 2 is alot more expensive but more performance gains.

wyattb02

Get a custom tune or buy a Fabspeed Catted o2 sensor spacer. These Fabspeed's are on the high side of spacer pricing, but have worked on every application I've seen. It has a small catalytic converter in the spacer. They always work

https://www.fabspeed.com/universal-o...verter-single/