Click here to enlarge Originally Posted by Mholst Click here to enlarge
anyone know will i pass smog in California with the x-pipe? Thinking same Evolve NA tune now its stage 1 vs stage 2 decision time...
You won't pass smog if you're catless & prob. won't with sport cats because they fail. Honestly, it's not that hard to uninstall/reinstall, so you could keep the OEM X and reinstall it when you need to pass emissions.