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Thread: Custom cat back system s3 1.8t

  1. #1
    Gordie_S3's Avatar
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    Custom cat back system s3 1.8t

    Hey guys,

    I'm soon to get made a custom cat back system on my S3. Currently it has a 3" downpipe with a highflow cat.

    Will be going 3" all the way through, non res. I'm a little worried ill get a 'ricer'/buzzing sound without a res?

    Was thinking something like this but without the res.



    What mufflers will be suitable? Was thinking about a magnaflow muffler or something similar. Really not to sure what will be best.

    I want something similar to this.

    AUDI S3 INSANE - YouTube


    Stage 2 S3 8L + other mods

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  3. #2
    A3-Lee's Avatar
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    I think that would be stupidly loud mate that's tufftys exhaust and even with resonators it was too loud

  4. #3
    <tuffty/>'s Avatar
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    Check out Gops build thread... Bill made him a 3" system and used a Miltek back box.... ideal for what you want I reckon..

    <tuffty/>
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    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

  5. #4
    Scullies's Avatar
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    I like the look of the system that Bill made for Staceys S3.

  6. #5
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    It's actually not that Loud! It's very OEM quiet on idle and driving about. When I put my foot down, it sounds soooo good! Perfect when cruising, no drone! Perfect IMO, bill made a perfect system.
    Quote Originally Posted by <tuffty/> View Post
    its either mapped or broken...

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    Gordie_S3's Avatar
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    Have you got a video gops? Does it 'pop'?
    Stage 2 S3 8L + other mods

 

 

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