NHobbes

Hi everyone,

What bolt on mods like lth or removal of secondary cat would cause a fail or issues in general with emissions tests? I'm in MD.

Thanks folks. Great site and even better members from all that I've read thus far!

DuaneC63

Secondary cats are behind the second O2 sensor so you shouldn't have a problem passing. Does MD have a visual inspection? However you might void your emissions warranty.

NHobbes

Thanks Duane! I don't recall ever having a visual inspection for any of my cars.

I'm not a big mod guy, only sportbike experience (no emissions for a bike), so my knowledge of this is rather limited.

I'm deviating from my initial question but I should have a 2012 c63 in June and I'm thinking of mods. Is there a central place/thread that shows specific mods with associated gains that are relatively "safe" (ex. No nitrous or blowers) without searching for each part (I will if none exists)? For example, LTH gains <insert rwhp>?

Much appreciated fellas!

NHobbes

P.s. Duane...I have enjoyed reading your comments in other threads and I admit I read your "in loving memory of my bank account" comment each time I see your name show up. So funny!