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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 04-22-2014, 04:56 PM   #1
iwemacE46
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Legal question

I have a question about active autowerke headers.. It explains it's catalysts are removed, does this mean I won't pass emissions or something else because I know what catalytic converters are they related? and before I spend 1000-2000 dollars on headers and a whole new exhaust + (performance software) I want to know I won't run into any trouble with legal issues.


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Old 04-22-2014, 05:51 PM   #2
Rob43
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Originally Posted by iwemacE46 View Post
I have a question about active autowerke headers.. It explains it's catalysts are removed, does this mean I won't pass emissions or something else because I know what catalytic converters are they related? and before I spend 1000-2000 dollars on headers and a whole new exhaust + (performance software) I want to know I won't run into any trouble with legal issues.

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If you're really worried about this, then you need to keep your stock exhaust manifolds.
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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 04-23-2014, 02:24 AM   #3
HakenTT
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Originally Posted by iwemacE46 View Post
I have a question about active autowerke headers.. It explains it's catalysts are removed, does this mean I won't pass emissions or something ? I want to know I won't run into any trouble with legal issues.
Correct. You won't pass emission testing and it is against federal and state law to drive the registered vehicle on public road with altered emissions system. You are removing federally mandated emissions component on a vehicle that you plan on driving on the public road.
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Old 04-23-2014, 02:32 AM   #4
FutureFuzz 26
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in Ky, no one cares..... hell, if you have air in most of your tires and something that looks like a liscense plate your good to go

im running raceland performance headers, no cats, Dynamax muffler with Dc sports tip and no one cares. I could probly catch my exhaust fumes in a bucket and use it in a mower or something
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Old 04-23-2014, 06:59 AM   #5
iwemacE46
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Correct. You won't pass emission testing and it is against federal and state law to drive the registered vehicle on public road with altered emissions system. You are removing federally mandated emissions component on a vehicle that you plan on driving on the public road.

How about if my exhaust is catted ?? Won't that pass me


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Old 04-23-2014, 10:54 AM   #6
Rob43
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How about if my exhaust is catted ?? Won't that pass me


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Why don't you try searching in this sub forum, this subject has been very well covered. Start reading, take a few hours.
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SUMMIT POINT WV 1:24:229 S.C.C.A.
(DynoDynamics https:vimeo.com/8486878 Dyno Video)
"Chance Favors The Prepared Mind"

Need Help With Your Nitrous Ambitions ?.....PM ME
Quote:
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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 08-13-2014, 11:42 AM   #7
Bino5150
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How about if my exhaust is catted ?? Won't that pass me


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If you install catless headers, your exhaust won't be catted.
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