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    help on 2001 vw if anybody knows

    I have a 2001 vw jetta with a 1.8t and I want to put a downpipe that elemanates the catalic converter. Will this set my check engine light off so I dont pass emisions for an inspection sicker.



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    Re: help on 2001 vw if anybody knows

    If you take the cat off of any car, it wont pass an emmisions test.




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    Re: help on 2001 vw if anybody knows

    thers nothing i can do to make it pass so I have to get a downpipe with a cat.



    2002 Ford Explorer
    Pioneer deh-7500mp
    2 10inch eminence delta full range speakers
    Kenwood KAC-624
    4 15inch Elevationaudio execution subwoofers
    2 dx1500.1 Elevationaudio ampifiers
    1 20 farat Tsunami capacitor
    1 audiocontrol matrix linedriver
    3 yellowtop d34 optima batteries
    0 ga wire to capacitor with stinger 150amp circuitbreaker
    As of 1/23/06 I hit a 152.2db in my old blazer on a audiocontrol tester
    All installed by me

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    Re: help on 2001 vw if anybody knows

    Pretty much...unless your live in Louisiana (like me) where we dont have emissions tests. he he




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    Re: help on 2001 vw if anybody knows

    damit I hate ny there a bunch of j**s do u have any recommendations as far as a brand for downpipes, I want a 3inch al the way.



    2002 Ford Explorer
    Pioneer deh-7500mp
    2 10inch eminence delta full range speakers
    Kenwood KAC-624
    4 15inch Elevationaudio execution subwoofers
    2 dx1500.1 Elevationaudio ampifiers
    1 20 farat Tsunami capacitor
    1 audiocontrol matrix linedriver
    3 yellowtop d34 optima batteries
    0 ga wire to capacitor with stinger 150amp circuitbreaker
    As of 1/23/06 I hit a 152.2db in my old blazer on a audiocontrol tester
    All installed by me

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    Re: help on 2001 vw if anybody knows

    i'll tell you what ya do, take the shell of a cat and weld it on the outside of the downpipe so it passes visual inspection

    then, lookin into either an o2 simulator or, use a bung thats got a lot of depth for the after cat o2, so that way it reads on the lean side which is what the after cat is supposed to, simulator preferred but taking it out of direct exhaust stream can be the easy way to make it work usually.

    good luck buddy, the shell of the convertor works trust me, i've gotten the mirror test before on my old talon, never had a problem.



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    Re: help on 2001 vw if anybody knows

    what im doin is going to get my car smoged next week, then put on my 3" down pipe without cat.... oh yea, 1.8t are pretty slow unless u hella mod them




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    Re: help on 2001 vw if anybody knows

    1.8t's pickup horsepower real quick with the simplest modifications actually...
    First on my list would be software upgrade.. GIAC.
    Intake and exhaust, then downpipe (with cat).

    Yes your check engine light will come on with no cat, however you can always fool the computer with a dummy post-cat o2 putting out a stabalized voltage. Not sure if thats the road you want to go though, especially if that car is your daily driver.




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    Re: help on 2001 vw if anybody knows

    Quote Originally Posted by Chevyaudio
    Pretty much...unless your live in Louisiana (like me) where we dont have emissions tests. he he
    Me too ha ha


    Quote Originally Posted by Lunchbocks
    i'll tell you what ya do, take the shell of a cat and weld it on the outside of the downpipe so it passes visual inspection

    then, lookin into either an o2 simulator or, use a bung thats got a lot of depth for the after cat o2, so that way it reads on the lean side which is what the after cat is supposed to, simulator preferred but taking it out of direct exhaust stream can be the easy way to make it work usually.

    good luck buddy, the shell of the convertor works trust me, i've gotten the mirror test before on my old talon, never had a problem.
    It works follow his instructions




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    Re: help on 2001 vw if anybody knows

    you can invest in a full 3" exhaust downpipe and cat back. GHL is a good brand. or you can look into an ebay DP, they are cheap, and from what i hear works pretty well. i have a full 2.5" milltek exhaust and a 2.5" milltek DP for my 1.8T. invest in a computer chip, they are sweet.




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    Re: help on 2001 vw if anybody knows

    any turbo car is gonna see big gains from little things




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    Re: help on 2001 vw if anybody knows

    man so glad we don't have emission tests anymore!!!

    id fail..



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    Re: help on 2001 vw if anybody knows

    Just completed this one recently in the shop (customer car). A fast car car off the showroom floor, now it's a beast! This ride has just about everthing except internal work and gearing.







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    Re: help on 2001 vw if anybody knows

    ahhh Supercharged vr6 is sweet!

    btw...you could always just get a 3 inch pipe with a cat, it will still flow mighty well, along with the catback. or, if you are up for it, get your test pipe, and switch it everytime 2 years when you have to take it in for inspection. that would ****, but you could if you wanted to.
    Last edited by dubbinjet; 03-13-2006 at 03:04 PM.




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    Re: help on 2001 vw if anybody knows

    You can also bypass the CEL check with a sparkplug nonfouler. Get one from Autozone and drillt he center of one out with a 1/2 inch bit. The put that in the second O2 bung and screw the O2 into it. No CEL. It is far enough from the gases to not pull the full temp reading. I have one on my Mazda. Had one on my Jetta when I had it. The simulator is Ok but requires wiring know how where the nonfouler is idiot proof.




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