HHR SS Topics and information on the 2008-2010 Chevy HHR SS Turbocharged models.

Exhaust ?

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Old 05-04-2008, 02:54 AM
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Exhaust ?

Does taking off the cat and resonator, after the o2 sensor void warranty?
Btw, the car sounds freakin amazing, next thing muffler removal.
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Old 05-04-2008, 02:12 PM
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ah, dunno bout warranty but your liable to get a ticket if a cop pulls you over with it.
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Old 05-05-2008, 03:40 AM
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so does anyone have any info on this?
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Old 05-05-2008, 07:53 AM
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You won't pass a cali emission test for sure.
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Old 05-05-2008, 08:17 AM
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Originally Posted by jujuss
Does taking off the cat and resonator, after the o2 sensor void warranty?
Btw, the car sounds freakin amazing, next thing muffler removal.
Yes and carries a hefty US fine. Actually a pretty stupid thing to do IMO.
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Old 05-05-2008, 10:29 PM
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Originally Posted by solman98
Yes and carries a hefty US fine. Actually a pretty stupid thing to do IMO.
dam in florida cops dont car or its a fix it ticket
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Old 05-06-2008, 09:48 AM
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sorry double post.
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Old 05-06-2008, 09:49 AM
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Heres a sound clip, judge for yourself.

http://youtube.com/watch?v=bO1QcJS63hQ
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Old 05-06-2008, 10:11 AM
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i've got a 3" exhaust with only a high flow cat... i don't have to pass any inspections and florida didn't give a crap when i lived there...
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Old 05-06-2008, 12:12 PM
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It is illegal to remove functioning smog equipment. Often times there are O2 sensor after the cats to judge efficiency. Removing the cat will throw a DTC. The rear sensors can be 'tuned out', but then the warranty issue with tinkering with the computer come into play.
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