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  1. #1
    Established Member Two Rings
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    Cheapest sound mods?

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    Hey guys I have a b9 s4 and Iím looking to add a little more sound. Thinking about doing the resonator delete but I only heard one video of a b9 res delete (it did sound good though), debating on an intake but the awe carbon one is like $600?? Any other ideas to get more sound out of this car? By the way itís a LEASE so Iím not looking to spend $1000+ on an an exhaust or downpipe unless I can maybe get a good deal on a used one


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  2. #2
    Senior Member Four Rings 4ringnut's Avatar
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    Either buy nice or have regrets.


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  3. #3
    Established Member Two Rings
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    Cheapest sound mods?

    Quote Originally Posted by 4ringnut View Post
    Either buy nice or have regrets.


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    Ugh I know this saying is so true.


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  4. #4
    Active Member Two Rings Yabi's Avatar
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    Mar 30 2018
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    2011 Toyota Prius 5
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    Cary, NC

    Most people are unplugging the flap sensors so they are always open. I heard good this about a reso delete but personally Iím looking to upgrade to an AWE exhaust. They are bolt on and in your case, you may be able to preserve the OEM exhaust and resell your aftermarket later (for a discount of course). Long term this might save you from fronting the full $1,000 knowing youíll be getting some of that money back later when you resell it. Just food for thought.

    PS, there are other more affordable intakes available, the AWE just seems to be the most stylish and has the largest gain claims (based on what I recall).

    Good luck and let us know what you decide!!

  5. #5
    Established Member Two Rings
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    Quote Originally Posted by Yabi View Post
    Most people are unplugging the flap sensors so they are always open. I heard good this about a reso delete but personally Iím looking to upgrade to an AWE exhaust. They are bolt on and in your case, you may be able to preserve the OEM exhaust and resell your aftermarket later (for a discount of course). Long term this might save you from fronting the full $1,000 knowing youíll be getting some of that money back later when you resell it. Just food for thought.

    PS, there are other more affordable intakes available, the AWE just seems to be the most stylish and has the largest gain claims (based on what I recall).

    Good luck and let us know what you decide!!
    Thanks for the tips. Unplugging the flap sensors wouldnít actually make it louder would it? Iím assuming it would just sound like itís in sport mode on shifter and dynamic mode all the time? I might end up with a res delete in the future Iíll post videos if that happens. Iíll have to find out what other intakes there are available.


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  6. #6
    Established Member Two Rings
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    cheapest & loudest sound probably cut the muffler off

  7. #7
    Active Member Two Rings Yabi's Avatar
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    Quote Originally Posted by S4audi15 View Post
    Thanks for the tips. Unplugging the flap sensors wouldnít actually make it louder would it? Iím assuming it would just sound like itís in sport mode on shifter and dynamic mode all the time? I might end up with a res delete in the future Iíll post videos if that happens. Iíll have to find out what other intakes there are available.


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    Thatís correct. It will only be as loud as Sport mode. My apologies if this wasnít helpful.

  8. #8
    Veteran Member Four Rings Bordom's Avatar
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    Don't delete resonators. You'll introduce rasp into the exhaust note and it'll just be shit.

    Delete the rear mufflers and enjoy

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  9. #9
    Established Member Two Rings
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    Quote Originally Posted by Bordom View Post
    Don't delete resonators. You'll introduce rasp into the exhaust note and it'll just be shit.

    Delete the rear mufflers and enjoy

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    Thanks. I know the b8s sounded raspy. Hereís a vid of one of the forum members who did a res delete on his b9. Doesnít sound raspy in this vid but not sure if it drones or what not. https://youtu.be/BTDRQgff8cA


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  10. #10
    Senior Member Three Rings shoe3k's Avatar
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    Quote Originally Posted by S4audi15 View Post
    Thanks. I know the b8s sounded raspy. Hereís a vid of one of the forum members who did a res delete on his b9. Doesnít sound raspy in this vid but not sure if it drones or what not. https://youtu.be/BTDRQgff8cA


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    The B9's motor sounds much better than the b8.5 because it's less raspy to begin with. I heard an unresonated Miltek turbo-back with the high-flow cat and it sounded fantastic.
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  11. #11
    Active Member One Ring mr.memeyogirl's Avatar
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    May 15 2018
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    Long Island, NY

    Now speaking as someone has some experience with the B9 S4/S5 exhaust (and other custom exhaust builds on other cars), I must say this has to be one of the least raspy engines I've heard. Currently I'm running a full straight pipe from the cat back (deleted all mufflers and resonators under the car) and it has like no rasp. Yes from the inside it does drone quite a bit under load, nothing turning up the music can't solve, but compared to the B8 engine this has way less rasp. In my opinion the car does have a very... hollow? sound, not really the most soulful exhaust I've heard. A bit like an angry vacuum if I must say lol. I started off my "exhaust build" by unplugging the valves. It doesn't technically "make it louder", but it does sound less muffled when not in Dynamic Sport mode. Soon after I deleted the rear mufflers, doing so it made the exhaust a little louder, nothing crazy. A few weeks later I deleted the mid-muffler, which of course made it a little louder than the muffler delete, but in my opinion, still not obnoxious or "ricey". Drone isn't terrible either on the inside. Now with both of these the car does sound louder than stock but again nothing mind blowingly loud. But again I wasn't satisfied with the way it was lol (yes I'm very picky, I came from an Infiniti Q50 and those VQ engines are just music to my ears) so to finish off I deleted the 2 resonators near the front of the car (right after the cats). Doing so the car did get noticeably deeper and louder and it became more so what I was looking for. Now again the drone may be a bit much for most people so do this at your own discretion. My overall observations as well, deleting each section does add some loudness and deepness to the exhaust, as well the exhaust "pop" do get louder, as well as the upshift "snaps", especially running the set up i have now. The other observation I made was of the exhaust pieces I took off (mufflers/resonators) they are all a "straight thru" design, meaning you can look thru one end and see out the other, kind of like a glass pack muffler, so i feel is why there isn't much rasp or a huge change in the exhaust loudness. Now what I must say, this is my first turbo charged car and from what I've read and heard, turbos do muffle and manipulate the exhaust sound coming from the engine. Again I came from an Infiniti Q50 which had a 3.7 V6, plus a huge "suitcase" style muffler. The stock exhaust noise was pretty much non-existent from factory, so on a car like that doing a muffler delete made a huge change, as well deleted the resonators would cause a lot of rasp as well. I think Audi did a good job make this engine virtually with no rasp, but as far as what you'd want to do on your car is up to you. As far as cost goes, after all was said and done, straight pipping it ended up running me around just a touch over $400, including after market quad exhaust tips. Hell of a lot cheaper than purchasing an aftermarket catback, but then again it possible they may have made changes to other areas of the exhaust itself (ie. lighter pipping, different bends, etc..) I was looking at the AWE Track, which is basically a straight pipe but what they added was a small X pipe section. So again if you're looking for cheap go with what i did, if you want something you know will last and maybe be different then get a cat back.

  12. #12
    Established Member Two Rings
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    Cheapest sound mods?

    Quote Originally Posted by mr.memeyogirl View Post
    Now speaking as someone has some experience with the B9 S4/S5 exhaust (and other custom exhaust builds on other cars), I must say this has to be one of the least raspy engines I've heard. Currently I'm running a full straight pipe from the cat back (deleted all mufflers and resonators under the car) and it has like no rasp. Yes from the inside it does drone quite a bit under load, nothing turning up the music can't solve, but compared to the B8 engine this has way less rasp. In my opinion the car does have a very... hollow? sound, not really the most soulful exhaust I've heard. A bit like an angry vacuum if I must say lol. I started off my "exhaust build" by unplugging the valves. It doesn't technically "make it louder", but it does sound less muffled when not in Dynamic Sport mode. Soon after I deleted the rear mufflers, doing so it made the exhaust a little louder, nothing crazy. A few weeks later I deleted the mid-muffler, which of course made it a little louder than the muffler delete, but in my opinion, still not obnoxious or "ricey". Drone isn't terrible either on the inside. Now with both of these the car does sound louder than stock but again nothing mind blowingly loud. But again I wasn't satisfied with the way it was lol (yes I'm very picky, I came from an Infiniti Q50 and those VQ engines are just music to my ears) so to finish off I deleted the 2 resonators near the front of the car (right after the cats). Doing so the car did get noticeably deeper and louder and it became more so what I was looking for. Now again the drone may be a bit much for most people so do this at your own discretion. My overall observations as well, deleting each section does add some loudness and deepness to the exhaust, as well the exhaust "pop" do get louder, as well as the upshift "snaps", especially running the set up i have now. The other observation I made was of the exhaust pieces I took off (mufflers/resonators) they are all a "straight thru" design, meaning you can look thru one end and see out the other, kind of like a glass pack muffler, so i feel is why there isn't much rasp or a huge change in the exhaust loudness. Now what I must say, this is my first turbo charged car and from what I've read and heard, turbos do muffle and manipulate the exhaust sound coming from the engine. Again I came from an Infiniti Q50 which had a 3.7 V6, plus a huge "suitcase" style muffler. The stock exhaust noise was pretty much non-existent from factory, so on a car like that doing a muffler delete made a huge change, as well deleted the resonators would cause a lot of rasp as well. I think Audi did a good job make this engine virtually with no rasp, but as far as what you'd want to do on your car is up to you. As far as cost goes, after all was said and done, straight pipping it ended up running me around just a touch over $400, including after market quad exhaust tips. Hell of a lot cheaper than purchasing an aftermarket catback, but then again it possible they may have made changes to other areas of the exhaust itself (ie. lighter pipping, different bends, etc..) I was looking at the AWE Track, which is basically a straight pipe but what they added was a small X pipe section. So again if you're looking for cheap go with what i did, if you want something you know will last and maybe be different then get a cat back.
    Thank you for the detailed response. Any sound clips?? And, how about intakes anyone have any sound clips or advice? The roc euro intake seems cheap and sounds good but does it throw any CELís? I had one on my b8.5 s4 and loved it but I do believe it caused my CEL.


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  13. #13
    Veteran Member Three Rings V8Star's Avatar
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    Jun 08 2010
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    SoCal

    I am sure its the same for the B9 S4, but on the other cars (TTRS, RS3) with the valves unplugged the car actually changes to a lower power engine map. There are guys running slower in the 1/4 with unplugged valves.
    B9 Allroad
    B9 S4

  14. #14
    Established Member Two Rings
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    Dec 01 2017
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    Dallas

    Quote Originally Posted by mr.memeyogirl View Post
    Now speaking as someone has some experience with the B9 S4/S5 exhaust (and other custom exhaust builds on other cars), I must say this has to be one of the least raspy engines I've heard. Currently I'm running a full straight pipe from the cat back (deleted all mufflers and resonators under the car) and it has like no rasp. Yes from the inside it does drone quite a bit under load, nothing turning up the music can't solve, but compared to the B8 engine this has way less rasp. In my opinion the car does have a very... hollow? sound, not really the most soulful exhaust I've heard. A bit like an angry vacuum if I must say lol. I started off my "exhaust build" by unplugging the valves. It doesn't technically "make it louder", but it does sound less muffled when not in Dynamic Sport mode. Soon after I deleted the rear mufflers, doing so it made the exhaust a little louder, nothing crazy. A few weeks later I deleted the mid-muffler, which of course made it a little louder than the muffler delete, but in my opinion, still not obnoxious or "ricey". Drone isn't terrible either on the inside. Now with both of these the car does sound louder than stock but again nothing mind blowingly loud. But again I wasn't satisfied with the way it was lol (yes I'm very picky, I came from an Infiniti Q50 and those VQ engines are just music to my ears) so to finish off I deleted the 2 resonators near the front of the car (right after the cats). Doing so the car did get noticeably deeper and louder and it became more so what I was looking for. Now again the drone may be a bit much for most people so do this at your own discretion. My overall observations as well, deleting each section does add some loudness and deepness to the exhaust, as well the exhaust "pop" do get louder, as well as the upshift "snaps", especially running the set up i have now. The other observation I made was of the exhaust pieces I took off (mufflers/resonators) they are all a "straight thru" design, meaning you can look thru one end and see out the other, kind of like a glass pack muffler, so i feel is why there isn't much rasp or a huge change in the exhaust loudness. Now what I must say, this is my first turbo charged car and from what I've read and heard, turbos do muffle and manipulate the exhaust sound coming from the engine. Again I came from an Infiniti Q50 which had a 3.7 V6, plus a huge "suitcase" style muffler. The stock exhaust noise was pretty much non-existent from factory, so on a car like that doing a muffler delete made a huge change, as well deleted the resonators would cause a lot of rasp as well. I think Audi did a good job make this engine virtually with no rasp, but as far as what you'd want to do on your car is up to you. As far as cost goes, after all was said and done, straight pipping it ended up running me around just a touch over $400, including after market quad exhaust tips. Hell of a lot cheaper than purchasing an aftermarket catback, but then again it possible they may have made changes to other areas of the exhaust itself (ie. lighter pipping, different bends, etc..) I was looking at the AWE Track, which is basically a straight pipe but what they added was a small X pipe section. So again if you're looking for cheap go with what i did, if you want something you know will last and maybe be different then get a cat back.

    Holy wall of text! I mean it was a great read but maybe break it up into some paragraphs next time. I suck at reading as it is but man I kept losing my place on the page. End rant


    I really want a vendor or someone, to offer to make front resonator delete pipes since they would be an easy bolt on. I don't want to hack up my stock piping just incase I need to revert back to stock before I take the vehicle into service. I'm not trying to be deceiving to the dealership or Audi or anything I just prefer to not give them any reason question anything. Could you imagine going in for some drivetrain issue and them telling you "well it looks like you modified your exhaust system which increased power which resulted in increase wear and tear on the part so its not covered under warranty" . I know this is complete BS and you most likely will win at the end of the day but it aint worth the headache.

    I think vendors are reluctant to do this as it would satisfy 75% of the people at a 1/4 of the price of a complete exhaust. I think the stock system sounds very good and this would increase the volume of the stock exhaust, while still maintaining the same note. Furthermore the stock exhaust does a great job of combating drone. The only thing I would change on the stock exhaust is make both valves after the mufflers for increased sound.

  15. #15
    Established Member Two Rings
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    Quote Originally Posted by -LoneStar- View Post
    Holy wall of text! I mean it was a great read but maybe break it up into some paragraphs next time. I suck at reading as it is but man I kept losing my place on the page. End rant

    .
    I gave up trying to read it lol.

  16. #16
    Established Member Two Rings
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    Jan 08 2018
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    Quote Originally Posted by -LoneStar- View Post
    I really want a vendor or someone, to offer to make front resonator delete pipes since they would be an easy bolt on. I don't want to hack up my stock piping just incase I need to revert back to stock before I take the vehicle into service. I'm not trying to be deceiving to the dealership or Audi or anything I just prefer to not give them any reason question anything. Could you imagine going in for some drivetrain issue and them telling you "well it looks like you modified your exhaust system which increased power which resulted in increase wear and tear on the part so its not covered under warranty" . I know this is complete BS and you most likely will win at the end of the day but it aint worth the headache.

    I think vendors are reluctant to do this as it would satisfy 75% of the people at a 1/4 of the price of a complete exhaust. I think the stock system sounds very good and this would increase the volume of the stock exhaust, while still maintaining the same note. Furthermore the stock exhaust does a great job of combating drone. The only thing I would change on the stock exhaust is make both valves after the mufflers for increased sound.
    That would be nice. I want the car a louder, but it's hard to justify paying $2K+ just to make the car a little louder. A resonator delete would be a great solution. Plus, still being able to use the factory valves to change drive modes when the wife is in the car would be nice too.



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