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  1. #1
    Established Member Two Rings
    Join Date
    Oct 07 2017
    AZ Member #
    408016
    Location
    Dayton Ohio

    2017 s3 to 2019 s4?

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    Iím thinking about making the switch. Itís still a tougher decision than I thought. My s3 is pretty fun and currently runs a 12.1 with just a apr stage one and TCU tune. Drove both the new s4 and the new m340i xdrive and the sound alone makes me want to switch. The m340 is amazing by the way, but I like the Audi looks wise better. The main question I have is how much quicker does an s4 feel with a jb4 or some type of piggyback. Iíve looked on YouTube at some videos, but would love to here what someone who has actually done a piggyback has to say. In stock form my s3 feels noticeably quicker and I feel much more connected. The s4 felt somewhat lazy and the power seemed to drop after about 5000 rpm or so. Any feedback would be great.

  2. #2
    Active Member One Ring
    Join Date
    Jul 25 2018
    AZ Member #
    423060
    Location
    Boston

    The JB4 really woke up my S4, feels completely different. It's almost silly how quickly you are in the triple digit territory.

  3. #3
    Active Member Two Rings
    Join Date
    Mar 18 2019
    AZ Member #
    464726
    Location
    UK

    The JB4 made a massive improvement, with the dragy I managed to get a 3.47s 0-60mph and in the same run a 11.69s 1/4 mile. I love how the car can be fast and also cruise long distances effortless so works well for me.

  4. #4
    Veteran Member Four Rings ENV≤'s Avatar
    Join Date
    Nov 04 2010
    AZ Member #
    66591
    Location
    NY

    Quote Originally Posted by A12rnx View Post
    The JB4 made a massive improvement, with the dragy I managed to get a 3.47s 0-60mph and in the same run a 11.69s 1/4 mile. I love how the car can be fast and also cruise long distances effortless so works well for me.
    Any issues with the jb4 and is it a true piggy back through obd2 or is it nonsense like the way a bunch of things had to be spliced on 335s?

    Sent from a misfiring cylinder
    2014 RS5 Sepang/White - Akrapovic/Eventuri/034/Eurocode/Bilstein/Euro headlights and tails/Euro mirrors/BLK Wheels/Escort/Blackvue
    2018 Audi S4 (wifemobile) -Navarra Blue/Black Optics/Virtual Cockpit/Carbon inlays -Mods coming soon..

    @Driven_Not_Hidden

  5. #5
    Established Member Two Rings
    Join Date
    Sep 23 2014
    AZ Member #
    284508
    My Garage
    2019%20S4%20MYTHOS%20LOADED
    Location
    MONTVILLE, NJ

    Quote Originally Posted by A12rnx View Post
    The JB4 made a massive improvement, with the dragy I managed to get a 3.47s 0-60mph and in the same run a 11.69s 1/4 mile. I love how the car can be fast and also cruise long distances effortless so works well for me.
    I have the same but with awe touring and awe airgate installed. Haven't ran a dragy yet but I would imagine im in the same 0-60 as you. What map did you run on and what fuel are you using?

  6. #6
    Established Member Two Rings
    Join Date
    Sep 23 2014
    AZ Member #
    284508
    My Garage
    2019%20S4%20MYTHOS%20LOADED
    Location
    MONTVILLE, NJ

    Quote Originally Posted by Montoya fan View Post
    Iím thinking about making the switch. Itís still a tougher decision than I thought. My s3 is pretty fun and currently runs a 12.1 with just a apr stage one and TCU tune. Drove both the new s4 and the new m340i xdrive and the sound alone makes me want to switch. The m340 is amazing by the way, but I like the Audi looks wise better. The main question I have is how much quicker does an s4 feel with a jb4 or some type of piggyback. Iíve looked on YouTube at some videos, but would love to here what someone who has actually done a piggyback has to say. In stock form my s3 feels noticeably quicker and I feel much more connected. The s4 felt somewhat lazy and the power seemed to drop after about 5000 rpm or so. Any feedback would be great.
    I made the move to a 19 S4 from a 16 S3 and never looked back. Its better in every way in my opinion. I had a similar tune. Get the JB4, upgrade the exhaust and get a new instake on the S4 and you will be plenty satisfied.

  7. #7
    Established Member Two Rings
    Join Date
    Oct 07 2017
    AZ Member #
    408016
    Location
    Dayton Ohio

    Quote Originally Posted by A12rnx View Post
    The JB4 made a massive improvement, with the dragy I managed to get a 3.47s 0-60mph and in the same run a 11.69s 1/4 mile. I love how the car can be fast and also cruise long distances effortless so works well for me.
    What else is done besides the jb4? That is a very quick time and the dragy is supposed to be accurate. What was your mph and what gas were you using. Itís not all about speed, itís more about feel and fun factor too.

  8. #8
    Active Member Two Rings
    Join Date
    Mar 18 2019
    AZ Member #
    464726
    Location
    UK

    I only have a BMC drop in filter and that was using map5 and 99Ron fuel because Iím in the UK. I had a 60ft of 1.69s and a trap speed of 115.2mph. After a few runs with the hot weather map 5 isnít liked to much because of the small intercooler. My next modifications will be a FMIC and a decat downpipe. With traction control off you can get the rear end to slip around a little, so you can really have some fun with it.

  9. #9
    Established Member Two Rings samwisemueller's Avatar
    Join Date
    Nov 12 2007
    AZ Member #
    22509
    My Garage
    '18 S4, '18 Tiguan
    Location
    Alexandria, VA

    I would say that 90% of the time when you are just hanging in the S4 cabin driving along, the experience is much improved over the S3 we had which felt a little cramped to me. The dash of the S4 feels expansive and open whereas the S3 dash sits more in your face. I do love my S4 particularly after taking it to the track and seeing how well it performed for me there. The S3 would also have been a great little track weapon but I wanted the interior space so we ended up going with an S4. I did have a tuner box on my car for a bit (not JB4) and didn't love the drive with that installed so I ended up selling it. My opinion echoes the rest, if you like the S3, you'll love the S4.

  10. #10
    Established Member Three Rings BrockDM's Avatar
    Join Date
    Jan 21 2018
    AZ Member #
    412780
    Location
    Frankfort, IL

    Quote Originally Posted by ENV≤ View Post
    Any issues with the jb4 and is it a true piggy back through obd2 or is it nonsense like the way a bunch of things had to be spliced on 335s?

    Sent from a misfiring cylinder
    No issues here, just many smiles lol.

    Completely plug and play. No splicing.

  11. #11
    Active Member Two Rings wsbrink's Avatar
    Join Date
    Feb 10 2019
    AZ Member #
    451754
    Location
    Milwaukee, WI

    Completely echo what everyone above has said. I just installed my JB4 last week and it is undoubtedly the best "bang-for-the-buck" mod I've installed on the car. Even on only Map3 running 93 octane, the car just rips compared to stock. No splicing required, just quickly route through the firewall and plug into your OB2 port - you can get it all set up in 15-20 minutes. Add an exhaust and new intake and you'll find nirvana.
    '18 Audi S4 | Glacier White | Eurozone Tuning | EMD Auto | AWE | Variant Alloy Wheels

    IG: @mke.b9.s4

  12. #12
    Registered Member One Ring S3gaz's Avatar
    Join Date
    Jun 19 2019
    AZ Member #
    494143
    Location
    England

    U guys are just making my purchase even more easier. I also had an s3 but a Mk1 running hybrid, now I have a family this is a no brainer thanks chaps. Now I just need to find a good second hand one around the UK for sale dealers donít appeal to me for 30k.

    Good look on what ever u go for fella shore u will enjoy.


    Sent from my iPhone using Tapatalk



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