EM TuningJMB Retrofits
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  1. #1
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    A3 AGU Revo stage one 3inch decat down pipe

    Hi there i have bought and fitted a 3inch decat down pipe for my car and fitted it tonight qutie a easy job all in all, but it seems to run and smell hotter is this normal? Also before the car use to put me back in my seat a bit when accelerating but now it doesnt seem to as much although the turbo does appear to spool up quicker and pull from earlyer on in the rev range? Just been curious if this sounds normal?

    Regards Tom

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    16Klappe's Avatar
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    You'll want to get it mapped in, its probably ****ting the bed over it's sensors reading "wrong".

    Downpipe and de-cat is really a stage 2 mod. What other modifications do you have?

    Have you got vag-com? Try resetting the fault codes so it re-learns and then take it out for a proper beasting right away.
    I quite often say I'm going to do things.

    Then never do them.

  4. #3
    A3tell's Avatar
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    i would also be interested in seeing if this is the case, as i was just about to buy one and fit it next weekend, but i dont want to ruin my R-tech map!!!!

  5. #4
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    3'' DP#s on a ko3 tend to smooth out the delivery a fair bit, more at the top end but less of a punch at the bottom end, you see, teh ko3 turbo can't really make full use of the larger DP, unlike a ko3S, which requires it to reach it's max potential.
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    Prawns TFSI Turbo'd 1.8T Track Car

    But I know nothing so ignore me.

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    Un plugg battery, leave for 15 mins, then plug back up. This will reset the adaption channels and hopefully the readaption will make it a bit happier, but like said 3" dp is really k03s and stage 2 stuff.

  7. #6
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    Quote Originally Posted by Prawn View Post
    3'' DP#s on a ko3 tend to smooth out the delivery a fair bit, more at the top end but less of a punch at the bottom end, you see, teh ko3 turbo can't really make full use of the larger DP, unlike a ko3S, which requires it to reach it's max potential.
    i deleted any fault codes on it this morning and have driven it a bit it definatley spools up quicker and i would say it probabley is as quick if it isnt there isnt much init. Has more power lower down now though and definatley smoothens out the power delivery....

  8. #7
    DaveA3's Avatar
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    although a downpipe would be good for winter and having the ability to actually pull away without wheelspinning for 400yrds

    Audi A3 1.8T Sport (AGU) - 2000
    Engine: Carbonio CAI/Jetex JR Hybrid Induction, Forge 007p DV, Forge TIP, Longlife S/S Custom Exhaust system, R-Tech Stage 1 Remap, Creation Motorsport Boost Pipe Kit.
    Exterior and Chassis: 18" Cades Tyrus, Euro Wipers, low on JOM Coilovers, Eibach Front & Rear ARB's, Black Angel Eye Headlights, 6000K HID's, S3 Brakes.
    For Sale PM ME - £2500 Mods Inc

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    A3tell's Avatar
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    So if I do decide to get one, will I need to get a different one when I go k03s??? I know I need a different tip, but would the dp fit both k03 and k03s???

  10. #9
    s3dave's Avatar
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    Same fitting yes

  11. #10
    16Klappe's Avatar
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    Quote Originally Posted by A3tell View Post
    So if I do decide to get one, will I need to get a different one when I go k03s??? I know I need a different tip, but would the dp fit both k03 and k03s???
    You don't need a different TIP at all, it's a straight swap.
    I quite often say I'm going to do things.

    Then never do them.

  12. #11
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    yes as above i havnt got a different tip.

  13. #12
    A3tell's Avatar
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    I thought that the outlet is sliteley bigger on a k03s so that a forge tip won't fit both k03 and k03s?????

  14. #13
    16Klappe's Avatar
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    Quote Originally Posted by A3tell View Post
    I thought that the outlet is sliteley bigger on a k03s so that a forge tip won't fit both k03 and k03s?????
    You thought wrong then bud, the differences between a Ko3s is the size of the compressor and turbine wheels, the number of blades and the height of the tips. Apart from the baffled inlet on the Ko3s the two are very similar externally.

    Here's the details, for future reference -

    Ko3 - 97-2000

    COMPRESSOR WHEEL
    Inducer: 33.6mm
    Exducer: 46mm
    Tip height: 3.7mm

    TURBINE WHEEL
    Inducer: 45mm
    Exducer: 38mm
    Tip height: 6.8mm
    Blades: 11

    Ko3S - 01+

    COMPRESSOR WHEEL
    Inducer: 38mm
    Exducer: 51mm
    Tip height: 4.4mm

    TURBINE WHEEL
    Inducer: 45mm
    Exducer: 38mm
    Tip height: 6.8mm
    Blades: 8
    I quite often say I'm going to do things.

    Then never do them.

  15. #14
    A3tell's Avatar
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    Cheers fella, just didn't want to wast money having to buy things twice, so know I know I can add the DP to my forge tip knowing I won't need to buy new ones!!! Cheers.

 

 

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