will i pass emission with aftermarket headers and exhuast/mufflers
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will i pass emission with aftermarket headers and exhuast/mufflers
I was wondering if I would. I have a unknown headers with the o2 sensor attach
And thermal racing muffler. The tip might be 3-4 inch.
The cat (with 02) and exhuast are stock.
Some say yes some says no.
Live in Colorado btw.
6th gen civic
And thermal racing muffler. The tip might be 3-4 inch.
The cat (with 02) and exhuast are stock.
Some say yes some says no.
Live in Colorado btw.
6th gen civic
Joined: Aug 2003
Posts: 21,620
Likes: 1,252
From: Las Vegas, NV
Rep Power: 513 
Re: will i pass emission with aftermarket headers and exhuast/mufflers
Check your local emissions laws. A quick google search tells me that it varies from county to county in CO. Some counties require emissions testing, some don't.
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