STI swap smog question

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Old Mar 18, 2007 | 06:56 PM
  #1  
Bunchies's Avatar
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STI swap smog question

Hey all, I have just a little question for you guys. Does a bug eyed WRX with a STI swap pass smog in CA? I'm looking at one right now, but I need it to pass smog. Anyone know of anyone who has done this, or has experience? Thanks.

edit: Will this car pass:

https://www.i-club.com/forums/showth...90#post1801090
Old Mar 18, 2007 | 07:00 PM
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you won't pass smog with the exhaust on.
Old Mar 18, 2007 | 07:29 PM
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i don't see why not.... as long as u have cats and exhaust on, and maybe the paper work for the motor
Old Mar 18, 2007 | 07:37 PM
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As long as all obd2 stuff is still in there and connected and its not throwing any codes it should pass. Needs cats for the sniffer test for sure though.
Old Mar 18, 2007 | 07:44 PM
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Originally Posted by RU-X
i don't see why not.... as long as u have cats and exhaust on, and maybe the paper work for the motor
As long as the donor motor is from a newer year car, and all emissions are in place, there should be no problem. Atleast that's how I understand it...
Old Mar 18, 2007 | 10:48 PM
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^^^
True.

That car is out of compliance until certified. Also, it is modified and not the same as an STi swap. CA smog laws do not allow the replacement of exhaust cats except under certain conditions. Intake parts like the turbo inlet hose may not be changed. There are no CARB exempt inlet hoses that I'm aware of. These parts may not increase tailpipe emissions but they must be submitted for CARB testing by the manufacturer to prove that they don't increase emissions. The CARB test is much more involved than a simple tailpipe sniffer test at your local smog station. That's why most manufacturers don't bother and just list their parts for 'off-road use'.

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Old Mar 18, 2007 | 11:01 PM
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