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Thread: Daytona Drone

  1. #61
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    Re: Daytona Drone

    Drone is all but gone now!


  2. #62
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    Re: Daytona Drone

    THERE ya go! It doesn't look as sexy as one may like, but it gets the job done. Even extending my tip no more than 1" from the bumper made a HUGE difference in my car.

  3. #63
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    Re: Daytona Drone

    Been driving the car for a couple of months now. Exhaust is holding up well, took it on a few longer drives and the drone is almost completely gone, its is a little louder over 2700RPM, but so much better everywhere. If you have drone, extend your tip past the bumper. Another notable thing, with the exhaust coming out the back, when you get on it it sounds a lot better, the exhaust sound leaves the car. I get many more comments about it now. At a recent auto-cross event, I had a few people come up to me and compliment my car on its sound. It's a real low, throaty with the added boost sound. Need to get a outside of car video of it soon!

  4. #64
    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanmanČ's Avatar
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    Re: Daytona Drone

    Pretty cool fix. I have a GTC in with a Hushpower muffler, I'll report back on noise but she was pretty good when I drive her in. I've read good reviews on flow.

    Quote Originally Posted by Vader85 View Post
    The way you stop drone is to use the biggest mufflers possible......your choice were wrong from day 1....
    Been there, got the badge, all they did was quieten down the exhaust but the drone remained.
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info

  5. #65
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    Re: Daytona Drone

    Tossed my buddy the keys and told him to make a pull while I videoed, car sounds good IMO, it is a lot quieter exhaust wise than I believed it to be, you can really hear the turbo!

    https://www.youtube.com/watch?v=-Xq2...azK0D_qp_8GcKw

  6. #66
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    Re: Daytona Drone

    Update on this, been driving the car all summer and it still has a nasty drone spot at 3000 rpm under load, as you approach 3k it gets progressively louder and once past 3k quieter, there is a definite resonance right there. Not sure how to fix this, everywhere else the car is quiet, was thinking of removing my 45 degree tail pipe that makes the flow out the rear parallel with the ground, try a straight section and see if bouncing the exhaust waves off the ground helps. I've seen many Daytona's with slanted tail pipes. Jackson's cars come to mind.

  7. #67
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    Re: Daytona Drone

    When I had my turbo mini the exhaust was super short...downpipe, muffler, turn-down....right at the back of the front seats basically. It was super loud with no turn-down on it, but with the turn-down it was much quieter. It wasn't "quiet", but there was a significant difference.

    As for the resonance it is a product of the inside volume of the car. It acts like a bandpass speaker box, so the exhaust tone note hits the natural frequency of the interior of the car and the sound waves amplify each other. The best way to reduce this is to push the sound waves and vibrations from the exhaust away from the car and isolate the exhaust as much as possible. A turn-down can (most probably will) help.

  8. #68
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    Re: Daytona Drone

    Originally my exhaust was had a turn down, but it was before the rear bumper, so all of the sounds was directed back behind the bumper and into the cabin. Having a simlar turn down that exits beyond the bumper should help I hope. I am going to try an experiment and see if it helps, I should have a short section of straight 3" pip laying around to test with. My exhaust is fully isolated from the chassis and is held inplace well, it does not have much movement.

  9. #69
    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanmanČ's Avatar
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    Re: Daytona Drone

    The Hushpower muffler worked awesome, drove it home a few times and no drone, which is awesome for an auto car. 2.5" exhaust, no cat.
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info

  10. #70
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    Re: Daytona Drone

    I have a magnaflow resonator in the same spot a cat would go and a magnaflow oval muffler out back. Sound is really good, minus the one spot of drone, interior is plenty quiet enough for me.

  11. #71
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    Re: Daytona Drone

    I did some testing last night, I tried having my tail pipe coming off at an angle, extending it, then trying a longer 45 bend to get the exhaust coming straight off, nothing seemed to work better than my current set up. Drone was still there and bad at 3000 rpm.

    So this morning I did some more research. I am looking into adding a side branch resonator into my exhaust. These are proven to work really well at removing drone. Just need to do some frequency testing, some calculations, then decide where to install it. I think there is some drone at 1500, comes back again at 3000 but far worse and is also noticeable at 4500, but at that point I'm making power and don't care. There's a pattern here..

  12. #72
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    Re: Daytona Drone

    DD1: '02 T&C Ltd, 3.8 AWD. DD2: '15 Versa Note SV, replacing.. DDx: '14 Versa Note SV << freshly killded :( ....... Projects: '88 Voyager 3.0, Auto with shift kit, timing advance, walker sound FX muffler on 15" pumpers wrapped in 215/65/R15 H rated Nexens.... and a '95 phord escort wagon PnP head << Both may need to go :( ..... I like 3.0s ... so??? ... stop looking at me like I've got two heads!

  13. #73
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    Re: Daytona Drone

    DoubleD - I wish I would've read this earlier. I can solve your drone issue with one muffler. PM me!!!

  14. #74
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    Re: Daytona Drone

    Plus I'm local to you!!!

  15. #75
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    Re: Daytona Drone

    Well don't keep it a secret. What is this muffler that has the power to get rid of exhaust drone?

  16. #76
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    Re: Daytona Drone

    Heartthrob HVS muffler. Trust me. Now, they are oval body mufflers. This means you have to be crafty to install it. I would get the offset in/center out due to the frame rail and spare tire well. I can get you a good deal too. PM me if interested.

  17. #77
    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanmanČ's Avatar
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    Re: Daytona Drone

    Hmmmmm, might be something to try on the van, but tired of spending money on exhaust, lol.
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info

  18. #78
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    Re: Daytona Drone

    I have already invested in a muffler and and resonator and the pair work very well quieting "most" of the noise while still giving me a completely open exhaust when I want it. I just want to cancel out the nasty drone at 3000, everywhere else the car is good, I had a buddy riding with me last night and he was shocked how quiet it is the car at 2500 rpm around 55. The tone is great and I dont want to change it, I just want the nasty 3000 rpm drone to be eliminated. My buddy is doing some calcs and is going to give me the proper length for my side branch resonator. I will then have my local exhaust shop bend it up and install it. I'll give it a try and see how it goes.

    Here the current exhaust tone:


  19. #79
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    Re: Daytona Drone

    Think of this. If you remove the muffler, resonator, and not put the next resonator on you will save a decent amount of weight savings. Add in that those three create turbulence. One muffler is a plus.

    - - - Updated - - -

    Tell you what, I will buy the muffler. You try it. If you like it, buy it. If not, give it back.

  20. #80
    Supporting Member Turbo Mopar Contributor jonnymopar's Avatar
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    Re: Daytona Drone

    Quote Originally Posted by jrbexhaust View Post
    ell you what, I will buy the muffler. You try it. If you like it, buy it. If not, give it back.
    God dammit, I could have used a deal like that at the beginning of the summer!! Oh well, there's always next year.
    Jon J.

    1989 Daytona ES 2.4L DOHC
    2003 Neon SXT - gone but never forgotten

    If it ain't broke, fix it 'till it is!

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