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Old 06-08-2014, 09:23 PM   #1
RRR Stig9
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Default Question about texas Emissions Inspection

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Old 06-08-2014, 09:25 PM   #2
RRR Stig9
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Ok, well I was going to delete the thread because I didn't mean to post it, but I guess I'll ask my question anyway. What do I need to pass inspection in the DFW area with an aftermarket exhaust?

I know I need to clear any codes, but if I get a catless exhaust, is that going to fail me? I really have no idea but I couldn't find one specifically for my area so I figure you guys might know. Thanks!
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Old 06-08-2014, 09:40 PM   #3
14stu
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They are supposed to visually confirm the presence of a catalytic converter and they use a combination of sniffer probe and obd reader to check emissions.

Some places are more thorough than others. I have heard stories of people putting fake cats on but usually if you pass the emissions check they don't normally bother confirming that there's a cat.
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Old 06-08-2014, 10:02 PM   #4
finnRex
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All but one of your readiness monitors have to be up(ready), no check engine light on. Tires must not show cord or have 2 consecutive tread bars worn down to tread, tint in front windows can't be below 20%(per state, city may vary). No power steering leaks, all lights must be operable(headlights, tail lights , brake lights, turn signal), wiper operational, horn operational, will need proof of insurance. That should cover 99% of it.
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Old 06-08-2014, 10:09 PM   #5
RRR Stig9
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Alright, so basically find a smaller hole in the wall place and make sure I don't have any codes? I usually go to a place like Jiffy Lube but I feel like they are always more stringent.
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Old 06-08-2014, 10:10 PM   #6
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And I've been dealing with the P0420 Code but I can just reset my ECU and it takes a while to ready up. I just want to get a new exhaust and get rid of the problem by tuning it
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Old 06-08-2014, 10:42 PM   #7
wlwarfield
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I'm new to Texas as well and will need to get inspections on the STi & BRZ eventually.

So if I have 20% tint I should be ok?
Also what about Nameless Performance axle back muffler delete? Will they fail me if I don't have mufflers? No CEL or anything.
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Old 06-08-2014, 11:16 PM   #8
SilverBOXER4
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TX requires at least 25% tint for front windows. Rear and back can be as dark as you want.
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Old 06-08-2014, 11:19 PM   #9
rudymcskoody
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They are not suppose to use a "sniffer" on obd II cars. As long as you have no cels and they don't physically look for the cat, (most places dont) you are fine. an AP or a pro tune will get rid of the the cel that a catless down pipe throws.

I have been catless for 3 years and have never had a problem passing. I've never gone to a hole in the wall place either. As long as you don't have any obvious red flags most places don't care.
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Old 06-09-2014, 01:46 AM   #10
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Quote:
Originally Posted by rudymcskoody View Post
They are not suppose to use a "sniffer" on obd II cars. As long as you have no cels and they don't physically look for the cat, (most places dont) you are fine. an AP or a pro tune will get rid of the the cel that a catless down pipe throws.

I have been catless for 3 years and have never had a problem passing. I've never gone to a hole in the wall place either. As long as you don't have any obvious red flags most places don't care.
That's good to know! Thanks a lot. I was really nervous about trying to find a new exhaust but really had no idea what I was doing.
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Old 06-09-2014, 12:49 PM   #11
Sieran
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If you clear your codes right before you go that will throw a red flag to them. They will see it has been cleared and start looking for why. Have had more than one place do this when I cleared codes for people on their VWs and Audis.
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Old 06-09-2014, 01:07 PM   #12
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Quote:
Originally Posted by RRR Stig9 View Post
Alright, so basically find a smaller hole in the wall place and make sure I don't have any codes? I usually go to a place like Jiffy Lube but I feel like they are always more stringent.
Haven't had a problem since I moved here using hole in the wall shops. 4 cars catless and have always passed. As long as your codes are clear and no dash lights you should be fine.
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Old 06-09-2014, 08:52 PM   #13
rudymcskoody
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Quote:
Originally Posted by Sieran View Post
If you clear your codes right before you go that will throw a red flag to them. They will see it has been cleared and start looking for why. Have had more than one place do this when I cleared codes for people on their VWs and Audis.
This is true.

But an AP or a pro tune will get rid of the code for good.
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Old 06-10-2014, 08:35 AM   #14
Squidz
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Just clearing the codes will not work. The monitors have to reset, the monitors are what checks for your cat and emissions devices. When you reset the code, it takes a couple days for the code to come back. That is because that is how long it takes for that monitor (or test) to run. Once the monitor runs, the light comes back on. You will fail your emissions test if EITHER the monitors are not reset, OR the CEL is on. So, basically, you will not pass an OBD emissions test if you clear the codes like you stated above.

Having a catless downpipe on your car without a tune isn't a good idea from a performance standpoint as well.
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Old 06-10-2014, 12:16 PM   #15
Htownman
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As long as you have the following you shouldn't have any problems.

30% tint
E brake
Working brake system
Functioning lights
Catalytic converter
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Old 06-10-2014, 06:24 PM   #16
colin1234567
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Quote:
Originally Posted by Htownman View Post
As long as you have the following you shouldn't have any problems.

30% tint
E brake
Working brake system
Functioning lights
Catalytic converter

With the amount of cars with one or no functioning brake lights north of Dallas, I dobt it's that serious.
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Old 06-11-2014, 12:08 PM   #17
Htownman
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Here in Houston you have a cracked windshield you go to jail.
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