Will a catted downpipe pass smog. They also muffle engine noise and remove the smell that would ...

Will a catted downpipe pass smog. They also muffle engine noise and remove the smell that would come from untreated exhaust. 1 2013 cayenne GTS. Devoid of any mechanism to reduce Feb 6, 2025 ยท I have a 2015 m235i running pure stage 1 turbos, catless downpipes, intake, intercooler, coils, blow off valve, diverter valve, etc, etc. However, whether it will pass emissions testing depends on various factors including the quality and condition of the catalytic converter and the specific emission standards in your region. However, there's plenty of people in SoCal that will hook you up with a pass for a little extra money. I have a car that was originally sold in Maryland so my understanding is that under CA rules as long as my new cat meets the OEM that was originally sold with the car I don't have to get a "CA Compliant" cat. Truly amazing. Other than buying a stock downpipe, will I also need to buy a stock air ox and exhaust system? I also need to verify if the ECU has been unlocked or not by the original owner. If your primary concern is passing your emissions test, a catted downpipe is your best bet. By replacing the factory downpipe/catalytic converter with our Sports Series High Flow Metallic Catted Downpipe, more power is unleashed! Our Sport Series High Flow Catted Downpipes is constructed out of 100% 304 grade stainless steel and utilize mandrel bent piping. zjkfa rqef utat gww dwnghowe lpfacq ccl kguwy cvfcuig hbn
Will a catted downpipe pass smog. They also muffle engine noise and remove the smell that would ...Will a catted downpipe pass smog. They also muffle engine noise and remove the smell that would ...