Materials to Maintain Your ZHP IIIII Hand Protection IIIII Tools to Maintain Your ZHP
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  1. #71
    Join Date
    Jan 2011
    Location
    Mass
    Posts
    454
    Quote Originally Posted by az3579 View Post
    Don't headers give the car a very raspy sound?
    Definitely not to my tastes...
    yes, due to the header design. an H pipe or x pipe can help along with a straight through resonator about 24" long.

    2005 BMW 330i ZHP
    2004 BMW 330Ci ZHP A DIY Turbocharger Project!

    My site: www.E46Turbo330Ci.com
    http://www.zhpmafia.com/forums/image.php?type=sigpic&userid=545&dateline=1337626488

  2. #72
    Join Date
    Jan 1970
    Location
    Branford, CT
    Posts
    16,055
    Quote Originally Posted by Nivo View Post
    yes, due to the header design. an H pipe or x pipe can help along with a straight through resonator about 24" long.
    Is doing headers emissions-compliant?
    BP
    2005 330i ZHP / 6MT
    Imolarot / Naturbraun
    2003 330iT / 6MT
    Orientblau / Naturbraun




    It's not the car you drive, it's how you drive it.

  3. #73
    Join Date
    Jan 2011
    Location
    Mass
    Posts
    454
    Quote Originally Posted by az3579 View Post
    Is doing headers emissions-compliant?
    technically no if the headers gets rid of the pre cats in the stock manifolds. regardless if you add a 3 way catalyst after.

    But by going with a standard highflow catalytic converter and if you were to get a sniff test the car will most likely pass.

    2005 BMW 330i ZHP
    2004 BMW 330Ci ZHP A DIY Turbocharger Project!

    My site: www.E46Turbo330Ci.com
    http://www.zhpmafia.com/forums/image.php?type=sigpic&userid=545&dateline=1337626488

  4. #74
    Join Date
    Jan 1970
    Location
    Branford, CT
    Posts
    16,055
    Quote Originally Posted by Nivo View Post
    technically no if the headers gets rid of the pre cats in the stock manifolds. regardless if you add a 3 way catalyst after.

    But by going with a standard highflow catalytic converter and if you were to get a sniff test the car will most likely pass.
    Darn.
    Not interested then. Emissions equipment has to be fully functional.

    Oh well.
    BP
    2005 330i ZHP / 6MT
    Imolarot / Naturbraun
    2003 330iT / 6MT
    Orientblau / Naturbraun




    It's not the car you drive, it's how you drive it.

  5. #75
    Join Date
    Feb 2011
    Location
    Bronx, New York
    Posts
    806
    Quote Originally Posted by danewilson77 View Post
    Is a diy....
    very helpful and enthusiastic dane =/

  6. #76
    Join Date
    Feb 2011
    Location
    Bronx, New York
    Posts
    806
    Quote Originally Posted by az3579 View Post
    Don't headers give the car a very raspy sound?
    Definitely not to my tastes...
    what do you mean raspy sound? is there a video containing this sound that you can show?

  7. #77
    Join Date
    Jan 1970
    Location
    Western WI
    Posts
    3,059
    Quote Originally Posted by L0veZHP View Post
    what do you mean raspy sound? is there a video containing this sound that you can show?
    Listen for the metallic buzzy sound.


  8. #78
    Join Date
    Feb 2011
    Location
    Bronx, New York
    Posts
    806
    Quote Originally Posted by mimalmo View Post
    Listen for the metallic buzzy sound.

    i like it =]

  9. #79
    Join Date
    Jan 1970
    Location
    Western WI
    Posts
    3,059
    Quote Originally Posted by L0veZHP View Post
    i like it =]
    You probably wouldn't like it if you heard it in person.

  10. #80
    Join Date
    Feb 2011
    Location
    Bronx, New York
    Posts
    806
    Thank you so much guys for helping me out on this post. I think I'll be going N/A and not install an intake (or install it last) just in case at the end I'll want to add a S/C. YOU GUYS ARE THE BEST!

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