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    Thread: Custom Exhaust : It Begins

    1. Member spitfire481's Avatar
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      04-01-2011 06:11 PM #101
      they are called downpipes. An X pipe or H pipe is when a true dual setup after the headers/manifolds come together (in an X or H formation), then return to a dual setup again. its supposed to equalize pressures and whatnot between both cylinder banks since without an X or H pipe they will never come together.

    2. Member huichox4's Avatar
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      04-01-2011 07:27 PM #102
      Quote Originally Posted by spitfire481 View Post
      they are called downpipes. An X pipe or H pipe is when a true dual setup after the headers/manifolds come together (in an X or H formation), then return to a dual setup again. its supposed to equalize pressures and whatnot between both cylinder banks since without an X or H pipe they will never come together.
      hey I know what an X or H pipe is, I heard here in this forum that for those pipes due to the shape they have they refer to them like that like I stated above ... maybe I should have clarified that its for the R32's only

    3. Member huichox4's Avatar
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      04-01-2011 07:31 PM #103
      I'll make it easy

      Draxus, Are you keeping this



      ??

    4. Member spitfire481's Avatar
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      04-01-2011 07:47 PM #104
      thats a downpipe but i see what you are getting at because of the shape. as far as i know those 2 tubes stay separate. they are just welded together for support.

    5. Member xVolksR32x's Avatar
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      04-02-2011 06:56 AM #105
      curious to see your setup on a dyno. looks good man

    6. Member Draxus's Avatar
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      04-02-2011 09:42 PM #106
      The downpipes / headers are staying stock for now.

      Next project is making some headers. This summer I will probably start on that.
      Quote Originally Posted by BlownR View Post
      I have seen several open slots, usually after tequila. Wait, I think that's different.
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    7. Member Draxus's Avatar
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      04-11-2011 04:06 AM #107
      So its on...

      We just have it turned down right after the rear diff right now. Cattless to single Burns muffler.

      On the Burns Muffler... I took it apart to get a feel for what I paid. I am never going to buy one again. Not fantastic inside.

      Anyway.

      It is so loud that it clips my camera mic. I am needing another muffler. It sounds great, except for the level of it. On the way back from SCCA (where it sounded aweeeesome on the track), we stopped and got some ear plugs.

      It is about as street legal as beating your wife with a golf club at The Olive Garden.

      1-2k RPM is ok.
      2-3k RPM DANGER ZONE. (drone for days)
      3k+ Formula 1 car.

      It's sick if your on it but it is just a pain around town. Really took a lot of fun out of the car. But, that was expected as... its a damn single muffler.

      Sound:

      At idle: V8 mustang

      Around town: Uuuh, T-rex?

      On it: So, imagine Chewbacka just got back to his home to find it burned down and his wife and kids hung from the tree in his front yard and then him falling to the ground and letting out a blood chilling yell to the gods.

      .....yeaaaaa.


      Vibrant Muffler vs Magnaflow

      What size exhaust tip? 4" or 4.5"

      Best place to get said tip?

      Thanks.
      Quote Originally Posted by BlownR View Post
      I have seen several open slots, usually after tequila. Wait, I think that's different.
      MKIV DBP .:R32 | Photo Gallery
      Projects | Custom Exhaust : It Begins | Solid MKIV Sub-Frame Mounts ||Build Journal| Draxus's GoKart

    8. 04-11-2011 05:47 AM #108
      Car: MKV R32 T STAGE III
      Exhaust few days back: 3" downpipe > 2x 100 cell cat > 3.5" pipe > stright tru maffler > 3.5" pipe > stright tru maffler

      Result: same as your mate. Hate it! 1500-3000 = major drone, 3000rpm onwards F1 on boost.

      Coming back to the shop to fit spiral muffler + replase one stright thru with baffled muffler.
      .:R32T, Stock Internals
      PT6265, SRI, 268/272, UM Tune @ 15PSI

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      04-11-2011 09:07 AM #109
      Quote Originally Posted by Draxus View Post

      Vibrant Muffler vs Magnaflow
      What about a Borla Turbo Muffler?
      "Being in space was great, I had plenty of time to rub one out, which in space is great, but after a while it's like living in a snow globe" -Peter Griffin
      "You could whore yourself out to 1,000 fat chicks for $50 apiece. Or 50 really fat chicks for $1,000. What? Don't look at me like that. Fat chicks need love too. But, they got to pay." -Glenn Quagmire

    10. Member nkgneto's Avatar
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      04-11-2011 11:58 AM #110
      I'd be interested to see the Vibrant muffler. It is one of my options as soon as my high flows go on.

    11. Member Draxus's Avatar
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      04-11-2011 12:37 PM #111
      Quote Originally Posted by CaptainQualude View Post
      What about a Borla Turbo Muffler?
      What is good about them?
      Quote Originally Posted by BlownR View Post
      I have seen several open slots, usually after tequila. Wait, I think that's different.
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    12. Member R32R1's Avatar
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      04-11-2011 02:07 PM #112
      Loving the descriptions lol
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    13. Member BOUDAH's Avatar
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      04-11-2011 02:21 PM #113
      Quote Originally Posted by Draxus View Post
      So its on...


      It is about as street legal as beating your wife with a golf club at The Olive Garden.
      LMFAO.....

    14. Member
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      04-11-2011 03:36 PM #114
      Quote Originally Posted by Draxus View Post
      What is good about them?
      Good flow with reasonable sound control.
      "Being in space was great, I had plenty of time to rub one out, which in space is great, but after a while it's like living in a snow globe" -Peter Griffin
      "You could whore yourself out to 1,000 fat chicks for $50 apiece. Or 50 really fat chicks for $1,000. What? Don't look at me like that. Fat chicks need love too. But, they got to pay." -Glenn Quagmire

    15. Member Det. John Kimble's Avatar
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      04-11-2011 05:38 PM #115
      Quote Originally Posted by R32R1 View Post
      Loving the descriptions lol


      I second that


    16. 04-12-2011 12:22 AM #116
      Quote Originally Posted by Draxus View Post
      So its on...

      We just have it turned down right after the rear diff right now. Cattless to single Burns muffler.

      On the Burns Muffler... I took it apart to get a feel for what I paid. I am never going to buy one again. Not fantastic inside.
      The Burns mufflers are only meant to take off a few db. The primary goal of the Burn's mufflers is to have a re packable muffler that is super lightweight.

      The turns downs, especially being so close the rear axle are probably contributing greatly to the drone. You should try directing the exhaust out the back before you swap out mufflers.

      If you want to record it, try rubber banding a cotton ball in front of the mic when recording. That will greatly help to reduce chatter noise.

    17. Member Draxus's Avatar
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      04-12-2011 01:28 AM #117
      Here is a video taken from about 150 yards back from my Nexus One cellphone.



      Never left second gear.
      Quote Originally Posted by BlownR View Post
      I have seen several open slots, usually after tequila. Wait, I think that's different.
      MKIV DBP .:R32 | Photo Gallery
      Projects | Custom Exhaust : It Begins | Solid MKIV Sub-Frame Mounts ||Build Journal| Draxus's GoKart

    18. Member Draxus's Avatar
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      04-12-2011 01:30 AM #118
      Quote Originally Posted by rex_racer View Post
      The Burns mufflers are only meant to take off a few db. The primary goal of the Burn's mufflers is to have a re packable muffler that is super lightweight.

      The turns downs, especially being so close the rear axle are probably contributing greatly to the drone. You should try directing the exhaust out the back before you swap out mufflers.

      If you want to record it, try rubber banding a cotton ball in front of the mic when recording. That will greatly help to reduce chatter noise.
      That is a good point on the drone.

      Also, I knew it wasn't going to take it down a lot volume wise. I was commenting on the build quality. Looks great on the outside, but the inside is fairly meh. Not bad, or worth complaining about to Burns. But, not worth almost $300.
      Quote Originally Posted by BlownR View Post
      I have seen several open slots, usually after tequila. Wait, I think that's different.
      MKIV DBP .:R32 | Photo Gallery
      Projects | Custom Exhaust : It Begins | Solid MKIV Sub-Frame Mounts ||Build Journal| Draxus's GoKart

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      04-12-2011 03:39 AM #119
      Quote Originally Posted by Draxus View Post
      Here is a video taken from about 150 yards back from my Nexus One cellphone.



      Never left second gear.
      Nice vid! But the fog or whatever ruined the video

    20. Member Draxus's Avatar
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      04-12-2011 03:43 AM #120
      I am so scared of picking the wrong muffler and ****ing the sound up.

      Arg.
      Quote Originally Posted by BlownR View Post
      I have seen several open slots, usually after tequila. Wait, I think that's different.
      MKIV DBP .:R32 | Photo Gallery
      Projects | Custom Exhaust : It Begins | Solid MKIV Sub-Frame Mounts ||Build Journal| Draxus's GoKart

    21. Member Cortexiphan's Avatar
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      04-12-2011 08:51 AM #121
      Magnaflow?

    22. Member Sutt's Avatar
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      04-12-2011 11:06 AM #122
      Why not pack the muffler with more material?

    23. Member EMANNvr6's Avatar
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      04-12-2011 02:11 PM #123
      I was laughing in my lab class reading those descriptions haha

      Must sound insane !

    24. Member huichox4's Avatar
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      04-12-2011 02:24 PM #124
      Quote Originally Posted by Draxus View Post
      I am so scared of picking the wrong muffler and ****ing the sound up.

      Arg.
      get a cherry bomb ............................ I might actually do that because my car is obnoxiously loud and I am cheap

    25. Member Draxus's Avatar
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      04-12-2011 02:52 PM #125
      Muffler Question:

      Example muffler as a Borla Turbo.

      How would the sound differ from a oval and round of the same length?

      I would assume that the oval would be quieter due to damping mass, yet how would the oval size effect the sound?

      Anyone know?
      Quote Originally Posted by BlownR View Post
      I have seen several open slots, usually after tequila. Wait, I think that's different.
      MKIV DBP .:R32 | Photo Gallery
      Projects | Custom Exhaust : It Begins | Solid MKIV Sub-Frame Mounts ||Build Journal| Draxus's GoKart

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