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Old 12-16-2007, 06:07 PM   #1
Joshwrx04
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Member#: 135429
Join Date: Dec 2006
Chapter/Region: NWIC
Location: Lake Stevens WA
Vehicle:
'05 CGM STi cornfed
'82 s-10 (427'nd soon)

Default catted dp or no

jus alittle q about dp's i curently have a cobb tbe w catted dp, i was thinking about buying a cattless, can u pass emissions w cattless?? i also have a acessport, if i was gonna go cattless i would probley go cobb again.. thanx..
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Old 12-16-2007, 07:11 PM   #2
dbrunner
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As far as I know you'll pass just fine as long as there isn't a CEL. In WA, any car with OBDII they just stick their scan tool in the slot and read for codes. I have heard of some cases where they have mirrors present and might do a quick visual inspection under the car, but thats highly unlikely. Another tip would be to not turn off and on the car while you're there as the smell of your exhaust will hint that you're not running any cats.
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Old 12-16-2007, 07:36 PM   #3
just smurfy
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Quote:
Originally Posted by Joshwrx04 View Post
jus alittle q about dp's i curently have a cobb tbe w catted dp, i was thinking about buying a cattless, can u pass emissions w cattless?? i also have a acessport, if i was gonna go cattless i would probley go cobb again.. thanx..
You would go through all that effort for a few HP max gain? You already have a high-flow cat - why make the change?
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