Intake & Exhaust Questions and info regarding various aftermatket exhaust systems for the G35 (Headers,Y-Pipes, and Cat-Back Systems)

Exhaust thread

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  #61  
Old 10-24-2008 | 01:57 PM
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^I already have one of those to share with you guys.

I'll do so prolly after Nov 5.
 
  #62  
Old 10-24-2008 | 01:58 PM
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Originally Posted by Jeff92se
Isn't not having a cat a fed violation?
no

It's a violation of a state Vehicle Code.
 

Last edited by JOKER; 05-07-2009 at 01:43 PM.
  #63  
Old 10-24-2008 | 02:03 PM
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Keep thinking that. Tampering with any federal regulated emission controls is not just a vehicle code violation.

Go ask an exhaust shop what the fine is if they caught removing cats
 
  #64  
Old 10-24-2008 | 02:05 PM
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^I believe is 10K
 
  #65  
Old 10-24-2008 | 02:05 PM
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Originally Posted by Jeff92se
Keep thinking that. Tampering with any federal regulated emission controls is not just a vehicle code violation.

Go ask an exhaust shop what the fine is if they caught removing cats
^didn't I posted Vehicle codes a few posts ago?

those are vehicle codes, they are not federal law. If you violate them you are violation Vehicle Codes. Not Federal Law.
 
  #66  
Old 10-24-2008 | 02:07 PM
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Go ahead and remove your cats, run test pipes and dare an officer. It's just a fine that you can get out of.

I'm not trying to convince you otherwise. Just trying to get others reading this thread the real story.
 
  #67  
Old 10-24-2008 | 02:07 PM
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It was my understanding that there is a Federal Emission law and that states are mandated to comply with the minimum standard or exceed it.
 
  #68  
Old 10-24-2008 | 02:08 PM
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Rules for Replacing Converters
In 1986, the U.S. Environmental Protection Agency issued new guidelines for the construction, efficiency and installation of aftermarket catalytic converters. All CleanAir converters listed in this catalog have been designed, tested and manufactured to meet this policy.

In addition, CleanAir converter listed in this catalog is appropriate for use under the current requirements of the California Air Resources Board (C.A.R.B.).
E.P.A. guidelines state that replacement converters may be installed only in the following situations:

1. The vehicle is missing a converter
2. A state or local inspection program has determined that the existing converter needs replacement
3. Vehicles manufactured prior to 1996 must have more than 50,000 miles, and a legitimate need for replacement must be established and documented
4. In cases of OBD Il-equipped vehicles (1996 and later), the O.E. manufacturer's 8-year/80,000-mile warranty must have expired and a legitimate need for replacement must be established and documented.
Please note that Federal law prohibits removal or replacement of a properly functioning O.E. converter.

When replacement of the converter is appropriate (as outlined above), the E.P.A. further requires that:

1. It be installed in the same location as the original
2. It be the same type as the original (i.e., two-way, three-way, three-way plus air/three-way plus oxidation)
3. It be the proper model for the vehicle application as determined and specified by the manufacturer
4. It be properly connected to any existing air injection components on the vehicle
5. It be installed with any other required converter for a particular application
6. It be accompanied by a warranty information card to be completed by the installer.
http://www.catalyticconverter.org/law/index.htm

Replacing or Removing a Catalytic Converter
Always know the federal and state laws that govern the removal or replacement of a catalytic converter on any vehicle, no matter what you may use the vehicle for. A lot of people will replace the converter with straight pipe or after-market exhaust pipe. According to federal law, catalytic converters may not be removed and replaced with "converter replacement pipes" by any person. The 1990 Clean Air Act Amendments even prohibit private individuals from installing "converter replacement pipes" on their own vehicles. Anyone who installs such pipes would violate the Clean Air Act. Some may think it's okay to remove a converter if they are offroading, but the law still provides you with the guidelines to follow. All manufacturers certify each engine and chassis configuration meet emission standards and cannot be de-certified by anyone for offroad use.

When replacing your converter, always use a reputable muffler or exhaust shop or a dealership to make the proper repairs or replacements. These shop owners and dealership owners will not take a chance of being shut down just to make a quick dollar.
http://autoparts.lifetips.com/cat/61...sions-control/

Reasons for following the catalytic converter laws
According to the EPA (Environmental Protection Agency), there are laws and rules to follow when replacing your catalytic converter. The rules and laws are strict and should always be followed. And though the laws vary from state to state, the federal guidelines stay the same. Businesses that ignore these guidelines can face fines and/or the loss of its business permits and licenses. The EPA has the ability to shut down the business for non-compliance to these laws, rules and guidelines.

If you take your vehicle to a muffler shop or exhaust shop to get the catalytic converter removed,(without another being installed), by law the shop can't help you or perform the work because no vehicle is allowed on the road without a catalytic converter. If you're already missing the catalytic converter, they still may not help you for fear of losing the business license or being shut down. Most states require an emissions inspection now and a vehicle without a catalytic converter will not pass this inspection. Most federal guidelines state that replacement converters may be installed only in the following situations:

1. A state or local inspection program has determined that the existing converter needs replacement
2. Vehicles manufactured prior to 1996 must have more than 50,000 miles and a legitimate need for replacement must be established and documented
3. In cases of OBD Il-equipped vehicles (1996 and later), the O.E. manufacturer's 8-year/80,000-mile warranty must have expired and a legitimate need for replacement must be established and documented.
(Note that Federal law prohibits removal or replacement of a properly functioning O.E. converter).

Some muffler shops or exhaust shops will replace a perfectly working converter for profit, even thought the law states otherwise. Other laws and guidelines state:

1. It is installed in the same location as the original
2. It is the same type as the original (i.e., two-way, three-way, three-way plus air/three-way plus oxidation)
3. It is the proper model for the vehicle application as determined and specified by the manufacturer
4. It is properly connected to any existing air injection components on the vehicle
5. It is installed with any other required converter for a particular application
6. It is accompanied by a warranty information card to be completed by the installer. These laws and federal guidelines are put into place for a reason.
also, read up here

http://www.epa.gov/air/caa/
 

Last edited by Calvin; 10-24-2008 at 02:14 PM.
  #69  
Old 10-24-2008 | 02:11 PM
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From: earth
this is our washington Vehicle Code

(3) No person shall modify the exhaust system of a motor vehicle in a manner which will amplify or increase the noise emitted by the engine of such vehicle above that emitted by the muffler originally installed on the vehicle, and it shall be unlawful for any person to operate a motor vehicle not equipped as required by this subsection, or which has been amplified as prohibited by this subsection. A court may dismiss an infraction notice for a violation of this subsection if there is reasonable grounds to believe that the vehicle was not operated in violation of this subsection.
Our code is not that hard as it is in CA.
 
  #70  
Old 10-24-2008 | 02:16 PM
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Calvin.
Nobody never get's charged with violation of a state law if they remove cats


they all get charged with violating states vehicle code.


Even if you are a shop in CA that sells or installs illegal exhaust parts you will be charged (if caught) with violation of VC 27150.1

A violation of this section is misdemeanor
 
  #71  
Old 10-24-2008 | 02:18 PM
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Whether that is the case or not does not change the fact that removing, altering, etc. the OEM cats is a federal violation.
 
  #72  
Old 10-24-2008 | 02:19 PM
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^yeah kinda
 
  #73  
Old 05-07-2009 | 11:19 AM
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anyone have any input on the sound effects of putting on just one test pipe, resonated or non-resonated, and leaving one OEM cat on? regardless of performance, i'm just asking about how this would sound, and if its worth buying the resonated TP?
 
  #74  
Old 07-31-2010 | 12:41 AM
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Last edited by g35sweetness; 08-04-2010 at 03:13 PM.
  #75  
Old 07-31-2010 | 12:41 AM
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Last edited by g35sweetness; 08-04-2010 at 02:55 PM.


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