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Thread: Dynomax muffler - some questions

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  1. #1
    Member Since
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    99 Astral Silver VX #1872 + 99 Ironman WIP
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    Just had a super turbo (2.25" in-0ut) installed today. Much quieter than I was expecting.

    Really not much sound @ idle IMO, but does get a little more aggressive when I put my foot in it...

    Can hear the S/C spin up much better than before.

    The ol' Borla was shot, something came apart internally, & was making a nasty rattle. I removed the "strainer" from the tip as well, & it's still a little quiet for my taste in mufflers, but I'll adjust.

    Overall, very happy.
    Last edited by Ldub : 09/20/2011 at 05:03 PM

  2. #2
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    Funny you should post this, my Borla setup may have developed a rattle recently as well, tho I'm not sure yet if its coming from the muffler, sounds more like the cat converter, just not sure yet. Definitely somthing exhaust related tho. Only really happens annoyingly when I first start up the VX.

    How does the Dynomax compare to the Borla sound-wise?





    Quote Originally Posted by Ldub View Post
    The ol' Borla was shot, something came apart internally, & was making a nasty rattle. I removed the "strainer" from the tip, & it's still a little quiet for my taste in mufflers, but I'll adjust.

    Overall, very happy.

  3. #3
    Member Since
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    Location
    99 Astral Silver VX #1872 + 99 Ironman WIP
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    10,613
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    Thumbs up Overall...Me LIKEY!

    Quote Originally Posted by Grif View Post
    How does the Dynomax compare to the Borla sound-wise?
    IMO, it's about 1/3 less loud.

    That said, my Borla had seen better days, it was cracked @ the front flange, welded, then cracked again in the same place, so that was adding to the db level, as well as "cracking" during decel. As noted earlier, there was a definite rattle inside the body of the muffler, also, when I removed the "strainer" from the stock tip, some old/carboned up batting fell out too...so much for the "million mile warranty"...

    Now, I can hardly hear any exhaust note on decel.

    Overall, it still has a healthy note on accel, just not as much, & I kinda miss that...

    Also, I found some real dyno charts(hopefully impartial) that showed a significant bump in both HP & torque, something I never found for Borla.

    Last edited by Ldub : 09/20/2011 at 05:45 PM

  4. #4
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    Arrow

    Quote Originally Posted by Ldub View Post
    Just had a super turbo (2.25" in-0ut) installed today. Much quieter than I was expecting.

    Really not much sound @ idle IMO, but does get a little more aggressive when I put my foot in it...

    Can hear the S/C spin up much better than before.

    The ol' Borla was shot, something came apart internally, & was making a nasty rattle. I removed the "strainer" from the tip as well, & it's still a little quiet for my taste in mufflers, but I'll adjust.

    Overall, very happy.
    Hey larry just do like i did....want more ? get another muffler in there
    Dakar was just the begining.

  5. #5
    Member Since
    May 2003
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    2000, white, IronMan, SUPERCHARGED, 0069
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    Wink

    I've had mine on for at least a couple of year now. Very happy with it. Also, I ordered mine from Summit Racing and got it cheaper, delivered to my door than buying it from the parts stores. Summit delivered it for free & no tax. Cost me $59. I had Monroe's install it which involved splicing in larger diameter piece leading into and a larger diameter tailpipe leading out. I thought it felt spunkier after I drove it after the install. Like she got a tune-up.

    I particularly like the sound of it around 1700-1900 rpms....has a bit louder and lower growl...not ricey.
    Last edited by Jolly Roger VX'er : 09/23/2011 at 10:31 PM
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