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Best exhaust for 2.0tfsi quattro

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by deian3387, Apr 25, 2012.

  1. deian3387
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    deian3387 Member

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    [Apr 25, 2012]
    Anyone got past experiences with different exhausts? don't want anything to loud

    thanks
    #1
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  3. spider74
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    spider74 Member

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    [Apr 25, 2012]
    I went Milltek, i actually went for it when i fitter a De-cat pipe as the extra air flow made the stock exhaust really raspy and loud. The milltek was quieter and much more refined giving what id describe as a "high class" sporty sound as opposed to the "cherry bomb on a fiesta" sound the stock one gave with the Map and De-cat.
    #2
  4. deian3387
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    deian3387 Member

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    [Apr 25, 2012]
    Thanks for the reply... i was thinking about miltek to be honest, just wanted to see other peoples views. how did you get your MIL lilght off with a de-cat?
    #3
  5. spider74
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    spider74 Member

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    [Apr 25, 2012]
    It did throw the MIL light but did not cause limp mode or anything, I got the light mapped out By MRC when they did the stage 2. BTW removing the cat gave 20bhp more and 30nm plus added mpg! I have a spare decat if you need one. PM me for details.
    #4
  6. northernlight
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    northernlight Member

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    [Apr 25, 2012]
    Got a Milltek catback on mine. Bought the car with it already installed so i can't compare, but it sounds nice and beefy without being intrusive. I like the RS4 look as well....

    [​IMG]
    #5
  7. spider74
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    spider74 Member

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    [Apr 25, 2012]
    Nice ass! Mine has the twin 100mm circular pipes, not as nice as the ovals but kept the standard look on the DTM. I'll try and post a pic
    #6
  8. amar06fbr
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    amar06fbr Vorsprung Durch Technik

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    [Apr 25, 2012]
    miltek!:icon_thumright:
    #7
  9. razza1
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    razza1 Well-Known Member

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    [Apr 25, 2012]
    Miltek all the way. They do a hi flow sports cat which throws up no errors. Nice sound,subtle when needed but good note to it.

    Sent from my HTC Incredible S using Tapatalk 2
    #8
  10. spider74
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    spider74 Member

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    [Apr 25, 2012]
    For some reason I can't seem to reply to My PM's?

    Pipe is a stainless steel decat/test pipe which replaces the factory cat. I had to remove it and fit a custom one as I fitted a K04 turbo from an S3 and the flange is different.

    My car made 257bhp on the dyno with the factory cat and then 282 bhp with this pipe. I had MRC tuning map out the check engine light at the same time but even before the map the difference was massive, the factory cat is very restrictive.

    £60? Seems reasonable. You'll need to buy gaskets..

    Adam


    heres the back of mine

    [​IMG]
    Last edited: Apr 25, 2012
    #9
  11. deian3387
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    deian3387 Member

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    [Apr 25, 2012]
    Did you get my pm?
    #10
  12. mancdan
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    mancdan Member

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    [Apr 27, 2012]
    Some nice backsides on these cars indeed.
    #11
  13. razza1
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    razza1 Well-Known Member

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    [Apr 27, 2012]
    My arse:)

    [​IMG]

    Sent from my HTC Incredible S using Tapatalk 2
    #12
  14. solaris
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    solaris Member

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    [May 1, 2012]
    I went down the Milltek route too after considering others such as APR/STASIS
    Initially I was running the stock cat and stock map and as you can imagine I didn't notice any performance gains however the exhaust note sounded deeper but not intrusive, internally you could not hear much difference. I then swapped out the std cat for a de-cat pipe running the stock map. The difference in performance was noticeable it wasn't a big difference but there was a definite increase felt in the torque department. The turbo seemed to be spooling slightly quicker and the throttle response was a bit sharper. The Milltek sounded louder, more meaty/raspy but still the cabin noise was not too intrusive but more noticeable inside.
    #13
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  15. ANDYTQ
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    ANDYTQ Well-Known Member

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    [May 12, 2012]
    If you had the money to do a quality decat/high flow cat /downpipe (rai)or a miltek cat back,which is going to give the best gains/power.Already got revo st2 but detuned until i did something with the exhaust.
    #14

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