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Will an LS1 with GMMG cat back pass smog in CA??

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Old Oct 19, 2002 | 11:23 PM
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Siggy
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Joined: Apr 2002
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From: Fresno CA (home), Davis CA (school)
Will an LS1 with GMMG cat back pass smog in CA??
The topic pretty much covers the question. I ask because I'm planning out my mods for when I get my LS1 amd I kinda need to pass smog. Thanks.
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Old Oct 20, 2002 | 01:37 AM
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Siggy
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From: Fresno CA (home), Davis CA (school)
So what you guys are tellin me is that NO ONE knows the answer to this question??

C'mon fellas how bout a little help por favor.....
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Old Oct 20, 2002 | 02:02 AM
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Jason 94Z
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Joined: Aug 2000
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From: Pasadena, MD
Yes, it will pass smog testing. The catalytic converters are there for emissions, the muffler is just to cut down on the noise level. Now, if you remove the cats.....good luck passing
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