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Old 04-17-2009, 10:06 PM   #1
2007st3
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Join Date: Mar 2008
Chapter/Region: NESIC
Location: NH
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2010 WRX notch

Default CARB approved downpipe?

I own a 2008 WRX and will probably be moving to Arizona with CARB emission requirements. I was wondering if anybody knew if only the AVO dp is CARB approved or if there are others? I was also curious if any one in the CARB states has had any trouble getting inspected with any other dp's (Cobb or Perrin for example)? As I dont feel like removing the dp to replace it with the stock one every year.
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Old 04-17-2009, 10:09 PM   #2
fibuz
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You should really search before you post. There's probably 11ty billion emissions related threads here already.

Long story short, you've got 4 years before you need to worry about emissions, and even then it's not that hard to pass.
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Old 04-17-2009, 10:14 PM   #3
kpluiten
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I don't think we are a CARB state, but I could be wrong.

As far as i know, there are NO CARB approved aftermarket performance catalytic converters (and therefore no DP's) under the most recent changes to California legislation and CARB standards. Only factory will work.

Quote:
What does it mean when an aftermarket product is advertised as "CARB Exempt" or "50 State Legal"?

Although a part may be advertised as "50 State Legal", this may be more of a marketing statement than reality. Unless an emissions sensitive part has been issued an Executive Order number by CARB, or an EPA exemption, FOR THAT SPECIFIC VEHICLE OR ENGINE CLASSIFICATION, the part is NOT legal for street use. Period, end of statement! If you must have a CARB exempt component for your vehicle, obtain the exemption number from the manufacturer prior to your purchase and verify the application status at the CARB link above.

Parts that are typically appointed CARB exemptions include: headers, air filter/intakes, turbo kits, and supercharger kits. Parts that are typically not eligible for a CARB exemption include, but are not limited to: replacement catalytic converters, downpipes or headers that remove or relocate a catalytic converter, and performance carburetor kits. Contact the manufacturer of a product that you are considering purchasing for details regarding that specific component.

An exhaust system that is installed AFTER the catalytic converter is considered a "cat-back" system and is considered emissions legal. (Sound level restrictions may be an issue in your state, check with the exhaust manufacturer or you local authorities for more information.)

Can I replace the OEM catalytic converter on my car with a "high flow" catalytic converter?

Update: 1/1/09 - New catalytic converters sold or installed in CA must be designed to meet the following requirements:
1. Must be an OE replacement only - no "high flow" or performance cats
2. Must be granted an ARB exemption
3. No used or rebuilt used cats can be installed


Briefly, this means that you are now required to obtain a new ARB-exempt catalytic converter for your specific vehicle if you require a replacement. The street use of aftermarket performance "high flow" units and aftermarket mid-pipes with non-exempt cats is not legal in CA. For more information on this legislation, visit: Aftermarket Catalytic Converters

The catalytic converter plays a major role in the emissions reduction of a motor vehicle. The vehicle manufacturer has matched a specific catalytic converter to the vehicle to minimize emissions output. Both CARB and the EPA do not allow the replacement of a catalytic converter with non-exempt "high flow" performance replacement unit. In fact, it is technically not legal to even replace a converter unless it has been proven by technician to have failed, and then it can only be replaced with an exempt OEM equivalent unit. (However, enforcement of this requirement is difficult and is the primary loop-hole that allows the usage of so-called "high flow" catalytic converters. Many of these units are sold with the disclaimer as being a "race" component and are not intended for street use.) Due to the hundreds of vehicle models produced over the years, it is virtually impossible to determine by glancing under a car whether the converter is the original unit, a legal OEM replacement, or a non-legal aftermarket "high flow" performance unit. However, changing regulations require imprinting the exemption number, manufacturer code, and manufacture date, making it easier for technicians to determine the origin of the product and the intended application.

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Old 04-17-2009, 10:17 PM   #4
2007st3
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Quote:
Originally Posted by fibuz View Post
You should really search before you post. There's probably 11ty billion emissions related threads here already.

Long story short, you've got 4 years before you need to worry about emissions, and even then it's not that hard to pass.

Sorry couldn't find one that specifically mentioned CARB approval
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Old 04-17-2009, 10:18 PM   #5
2007st3
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Kpluiten any trouble getting inspected?
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Old 04-17-2009, 10:22 PM   #6
kpluiten
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I haven't been yet (too new), but it goes like this:

You drive down to the center and pay the fee. They plug your car in (OBDII) and check for diagnostic codes. If there are none and your ECU hasn't been reset too recently, or you turn that counter off, they pass you. There are no (as far as I know) AWD dynos at these centers and therefore they won't smog the car on a dyno. I've never seen a visual inspection occur, but it might. I don't think the people working there care enough or know what they're looking at.
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Old 04-18-2009, 01:22 AM   #7
racingfish
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most of the inspector guys are kids outta high school who most likely have a riced out civic in the back.
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Old 04-18-2009, 01:30 AM   #8
bObby
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Put whatever downpipe you want. Keep your stock one and just swap that back on in 4 years when you go get inspected.

I had a friend pass with a catless downpipe if that says anything.
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Old 04-18-2009, 01:34 AM   #9
AWDshenanigans
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if youre not throwing any codes it doesnt matter. al they do is plug into your ecu and look for codes. no spelling erec...corrections. im drunk
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Old 04-18-2009, 06:48 PM   #10
2007st3
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2010 WRX notch

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So if they're just looking for codes a catless pipe would be ok as well. any recommendations as far as how to make the pipe not throw a code?
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Old 04-18-2009, 07:09 PM   #11
Joe5389
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there is and ebay fix that just plugs in to the o2 sensor to make it not go off or you could tell your tuner to take that code out
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