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  1. #1
    Established Member Two Rings
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    Mar 04 2008
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    2004 A4 1.8T Quattro USP 6spd
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    Sacramento

    Magnaflow Mufflers 14581...resonated or non-resonated?

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    For those of you out there who have these or who have heard these, is it better to leave the resonator on or to take it off? I want to avoid drone on my 1.8T, but want the mufflers to be audibly noticeable. Overall a good exhaust tone?

    Thanks in advance.

  2. #2
    Senior Member Three Rings a4mafia(Red)'s Avatar
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    Nov 06 2008
    AZ Member #
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    B5 A4 1.8tqm
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    Cincinnati

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    haha, sounds like you want to have a cake and eat it too....what muffler exactly are you looking at?
    work in progress....


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  3. #3
    Veteran Member Four Rings aaaudiprotein's Avatar
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    Apr 17 2007
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    2003 RS6
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    Chicago Burbsss

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    non res
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  4. #4
    Veteran Member Four Rings KPC1.8TQuat's Avatar
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    Mar 20 2006
    AZ Member #
    10926
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    2003 A4 1.8T Quattro, 2006 Triumph Daytona 675
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    North Shore, New England

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    Quote Originally Posted by aaaudiprotein View Post
    non res
    +1 ...no drone on a 1.8t at highway speeds. Never been in a 3.0 so I'm not positive.

  5. #5
    Established Member Two Rings afozzie40's Avatar
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    Oct 21 2008
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    B6 A4 1.8T
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    Boulder, Colorado

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    I have 2.5 in from the stock resonator back to magnaflow mufflers and it sounds very classy and you can tell the difference, no drone and its not annoying. it is NOT loud but just adds tone to the sound, there is a you tube vid of it out there. Its a classy sound, if you go no resonators its quite a bit louder and I've heard it drones so bad that many add resonators to get back to a sound like I have . so if you don't want your audi to sound like Boy Racer then go resonated.
    03 B6 MT Sport suspension 15% Tint Custom Magnaflow exhaust K&N Stock Air Box Mod ECS Snub

  6. #6
    Veteran Member Four Rings J-jizzle's Avatar
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    Aug 28 2007
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    Tools, Parts and the GTI beater
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    Birmingham Alabama (Tennessee)

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    I couldn't hear shit out of my 14829 mags before I took my res off. BTW I'm 1.8t also but I vote no res.

  7. #7
    Established Member Two Rings
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    Mar 04 2008
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    2004 A4 1.8T Quattro USP 6spd
    Location
    Sacramento

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    What's the difference between the 14829s and the 14581s?

    Quote Originally Posted by J-jizzle View Post
    I couldn't hear shit out of my 14829 mags before I took my res off. BTW I'm 1.8t also but I vote no res.

  8. #8
    Veteran Member Four Rings a4wd's Avatar
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    Jul 27 2004
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    B6 1.8TQM 5speeeeeeeed
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    Bay Area 925

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    Are you guys saying it shouldnt be resonated at all? Or are you guys saying to take off the stock resontator? My 2.5" turboback exhaust is damn loud with 2 aftermarket resonators after they y. Hella drone fo sho
    another stereotypical Audi

  9. #9
    Veteran Member Four Rings aaaudiprotein's Avatar
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    Apr 17 2007
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    2003 RS6
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    Chicago Burbsss

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    14829s =The Street Series
    14851= Race series
    Magnaflow website gives u a description of both
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  10. #10
    Veteran Member Four Rings aaaudiprotein's Avatar
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    2003 RS6
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    Chicago Burbsss

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    Quote Originally Posted by a4wd View Post
    Are you guys saying it shouldnt be resonated at all? Or are you guys saying to take off the stock resontator? My 2.5" turboback exhaust is damn loud with 2 aftermarket resonators after they y. Hella drone fo sho
    With a testpipe?
    BLACKHAWKS 2010, 2013 and 2015 STANLEY CUP CHAMPIONS
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  11. #11
    In Limbo Four Rings
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    Sep 27 2006
    AZ Member #
    12049
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    2005 Audi B6 1.8t Ultrasport
    Location
    New Jersey

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    go with a non res.. that big ass suitcase that is there right now will not give you any sound on your car... it will sound sound like stock.. really it will be a waste. take out the res.. a little drone at low RPM but driving around no drone.. im actually putting in a test pipe and completeing full turbo back piping because when i downshift on the highwat you cant really hear it which is eh.. i wanted to sound badass when i downshift.. soo.. id say take out res... def take out res. trust me u will be happy.

  12. #12
    Veteran Member Four Rings 4Rings3Liters's Avatar
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    Jul 04 2008
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    York, PA

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    I left my resonators on and it sounds awesome. I have a 3.0 though so I'm not much help.

  13. #13
    Veteran Member Four Rings aaron1085's Avatar
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    Jul 12 2007
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    2007 2.0T A4
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    NH

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    Looking to add some sounds but absolutely NO DRONE as I drive highway alot, but want to say alittle HELLO when driving around town...

    I have 1.8T, all stock. Just want some mufflers and tips...suggestions...

  14. #14
    Senior Member Three Rings Johnnada's Avatar
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    Aug 02 2008
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    04 Audi A4 3.0, 09 BMW 328 X-Drive
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    MA

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    why does ur info say u have a 3.0?

  15. #15
    Established Member Two Rings
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    Mar 04 2008
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    2004 A4 1.8T Quattro USP 6spd
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    Sacramento

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    Quote Originally Posted by Johnnada View Post
    why does ur info say u have a 3.0?
    Sorry I need to update that. I had a 2003 3.0 quattro 6spd, but I totaled it (refrigerator in the middle of the freeway at 10pm at night). So I got a 2004 A4 1.8T USP 6spd on Saturday...it's all stock.

  16. #16
    Veteran Member Four Rings aaaudiprotein's Avatar
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    2003 RS6
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    Chicago Burbsss

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    Quote Originally Posted by aaron1085 View Post
    Looking to add some sounds but absolutely NO DRONE as I drive highway alot, but want to say alittle HELLO when driving around town...

    I have 1.8T, all stock. Just want some mufflers and tips...suggestions...
    Well, that's what everyone wants :))) And everyone is trying to modify their exhaust for the sound/drone they like.
    U would get a drone either way, i'm not saying a lot, but still...
    Do what EuroAleksey did, he cut his stock mufflers, and it sound very nice... Dont know about the drone though.
    BLACKHAWKS 2010, 2013 and 2015 STANLEY CUP CHAMPIONS
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  17. #17
    Veteran Member Four Rings downhillracer's Avatar
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    97 Jeep Wrangler
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    Costa Mesa / Mammoth Lakes

    Re: Magnaflow Mufflers 14581...resonated or non-resonated?

    I have 2.5" from the flex pipe to the "Y" then 2" to each muffler (14851's) with no resonators. It sounds awesome! i love it! Its gets a drone when you step on it but if you cruise on the freeway 65-75 all you hear is a little exhaust note... no drone at all! Pm me if you have any more questions about it.

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