It's a catback. Emissions shouldn't be changed.
Originally Posted by Cdgiles
Thanks for the write up. A couple of questions for you and/or other members. Does anyone know if this exhaust set-up is likely to pass California emissions/smog tests? How does this higher volume exhaust marry up to the Dinan S3 tuning enhancements?
Thanks in advance.
Sophisto Grau / Oyster - Black Nappa, Anthracite Wood
ZAV, ZCV, ZCW, ZDA, ZDH, ZPP, ZP2, ZSP
Mods - M5 Grilles, BMWPedals Black Anodized
Heaven is where the police are British, the cooks are French, the cars are German, the lovers are Italian and it is all organised by the Swiss.
Hell is where the police are German, the cooks are English, the cars are French, the lovers are Swiss, and it is all organised by the Italians