Some people were worried about having a Y-pipe with Emissions, well here are the results from my PA state inspection.

1997 Maxima SE, Auto

With stock Y-pipe (last year)
CO %: Limit=0.44 Reading=0.01
HC ppm: Limit=78 Reading=15
NO ppm: Limit=625 Reading=180

With Cattman Y-pipe (this year)
CO %: Limit=0.44 Reading=0.04
HC ppm: Limit=78 Reading=21
NO ppm: Limit=625 Reading=344

So the NO almost doubled, but I'm not sure if all of that can be counted from the aftermarket Y-pipe. But as you can see everything is still well within the range.

 

What does the NO stand for?

SuDZ

 

Does that still go for stillens Y..???

 

Nitrogen Oxides

It says NO on the sheet, but it's actually NOx (NO-NO2)

 

whats ppm stand for-
you warmed up and everything before this test?
im not sure if theyll do anything stupid just b/c my car doesnt look stock, i hope not.

 

ppm: Parts per million, it's the unit of measure for those particles. And no, I didn't warm it up. I dropped the car off the night before and the place did the emissions and inspection the next day. I'm not sure if they let it warm up or not.


To SonGouko: I don't have a stillen so I can't say, I can only give info from my Y-pipe. But since the principles of the aftermarket Y-pipes are the same (remove the precats), I would say that most likely the results would be similar.

Also, I'm not sure what the emissions standards (if any) are for other states and counties.

PS- I'm fed spec not cali.

 

parts per mil, duh. thanks. and thats really cool that they did it in the morning and it passed even tho you didnt have a chance to personally warm it. hm i feel better about doing this now, im in NJ and its not REAL thorough , but im a litle nervous.

 

yeh i was wondering the same thign in ny b/c im getting mine in soon

 

well when i bought my cattman nissan told me that i just needed to drive around for bout an hour before i went in to get inspected and that it would be fine..

 

just make sure your car is warmed up before you take the test, and make sure you are the only one getting smogged so they dont let your car cool off

thezcarguy just passed with his Warpspeed y-pipe last week or so, he's Cali Spec

 

Did you have a stock intake or was that aftermarket as well?

SuDZ

 

CAI