Results 1 to 7 of 7
  1. #1
    Member Array
    Join Date
    Jan 2006
    Location
    MELBOURNE
    Car:
    DC2 R 1999

    4-2-1 headers update

    Hey guys, I have replaced my previous 4 into 1 headers to a 4-2-1 headers, believe it or not the flow is way better and more responsive compare to the 4 into 1 headers. Before u can hear a boxster type noise around the car and more vibration with the 4 into 1 headers but now the only noise u can hear is right straight from the muffler no more vibrations aswell, my plan now is to put back again my twinloop muffler to reduce the noise, and by the ways u can hear the VTEC scream loud and clear with the 4-2-1 headers,

  2. #2
    Member Array
    Join Date
    Sep 2003
    Location
    QLD
    Car:
    STi
    What "brand" of 4-2-1...?

  3. #3
    What brand 4-1 did you have and what are the 4-2-1???

  4. #4
    Member Array
    Join Date
    Jan 2006
    Location
    MELBOURNE
    Car:
    DC2 R 1999
    i had the shittest xforce 4 into 1, they're shit headers for a 4 into 1, but i got a brandless 4-2-1 headers now,

  5. #5
    They are acutally xForce 4-2-1. How I know? coz those headers were mine

    Glad you like it typerinside.

  6. #6
    I don't know but I have xforce 4-1 and I love them, I think that 4-1 system is best for dohc-vtec engines because they give you good mid to high range (that is where real power is and where you can make good improvments, plus you pick up a bit in low range as well), I love my ITR because of it's high reving engine if I wanted something with low to mid range I would go for something like pulsar SSS, golf VR6 and so on.
    I think that jap ITR came with factory 4-1 headers so that is a proff of what honda thinks is best for those engines.

  7. #7
    Member Array
    Join Date
    Jan 2006
    Location
    MELBOURNE
    Car:
    DC2 R 1999
    u wer right they wont sound like boxster type, it sounds smooth, no regrets buying it VTML, ill put back my twinloop and see how it'll sound, i have replace the flex pipe coz it has a hole, coz me $70, u hsould have given me more discount, hehe, anyways i really like it, id prolli jus put my sforce 4 into 1 in display,

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