Materials to Maintain Your ZHP IIIII Hand Protection IIIII Tools to Maintain Your ZHP
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Thread: eBay Headers

  1. #21
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    Quote Originally Posted by danewilson77 View Post
    So you will actually gain HP.

    HTC Thunderbolt+TT
    Correct.
    Porsche 944 Turbo Build

    One ride and you'll understand why most rocket scientists are German.

    My ZHP Build 2004-2014 RIP


  2. #22
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    Quote Originally Posted by Hornung418 View Post
    Correct.
    Thanks. That's what I thought.

    HTC Thunderbolt+TT
    Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs l Maple Interior Trim

  3. #23
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    Quote Originally Posted by Hornung418 View Post
    Give it 200 miles for the DME to adapt and you will find that you've gained 15-20 horsepower without doing a thing. This is a proven gain on the M5x series motors. You can find countless threads on e46fanatics.

    There is a MAJOR difference between the stock exhaust collectors and the ebay reps:
    Attachment 2919
    show me a dyno
    Call me Seth
    CURRENT: 2016 Long Beach Blue BMW /// M2
    RETIRED: ‘15 F22 M235i | '08 E90 M3 DCT "GoinHAM3" | '04 E46 M3 6MT "WEGOHAM"
    '04 330i ZHP | '11 E82 135i | '08 E90 328xi | 07 E91 328xi SportWagon

    Quote Originally Posted by danewilson77 View Post
    If I wore panties, I'd be dropping them right now.

  4. #24
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    Quote Originally Posted by UdubBadger View Post
    show me a dyno
    In NYC for the weekend, but you can look on e46fanatics for the dyno thread in the General Section.

    Increased flow leads to higher exhaust velocity, which leads to increased exhaust scavenging, which eventually leads to a leaner A/F ratio meaning more horsepower. It works. No tuning necessary. It worked with my manifold swap and will work with ebay headers.

    This is not a cat vs. non-cat discussion, this is an improvement over the clusterfuck of an exhaust collector BMW put on the M52TU/M54 engines.

    Courtesy of Gingerbread...
    Porsche 944 Turbo Build

    One ride and you'll understand why most rocket scientists are German.

    My ZHP Build 2004-2014 RIP


  5. #25
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    Quote Originally Posted by Hornung418 View Post

    This is not a cat vs. non-cat discussion, this is an improvement over the clusterfuck of an exhaust collector BMW put on the M52TU/M54 engines.

    Courtesy of Gingerbread...
    ^ +1 hehe

    I need to look for some new Headers.... lol
    2001 325i Sport Package / Rebuilt Motor at 194K / Lemforder M3 Motor Mounts / Thule Roof Rack / Eagle Eye Clear Tail Lights / Lemforder Sway Links
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  6. #26
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    Interesting thread. So what options do we have for headers out there?


    I really have no idea what I am doing

  7. #27
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    Quote Originally Posted by bullfrogs_M3 View Post
    Interesting thread. So what options do we have for headers out there?
    EBay headers.

    http://forum.e46fanatics.com/showthread.php?t=775190&highlight=headers


    http://forum.e46fanatics.com/showthread.php?t=571990&highlight=headers


    HTC Thunderbolt+TT
    Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs l Maple Interior Trim

  8. #28
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    Quote Originally Posted by Hornung418 View Post
    In NYC for the weekend, but you can look on e46fanatics for the dyno thread in the General Section.

    Increased flow leads to higher exhaust velocity, which leads to increased exhaust scavenging, which eventually leads to a leaner A/F ratio meaning more horsepower. It works. No tuning necessary. It worked with my manifold swap and will work with ebay headers.

    This is not a cat vs. non-cat discussion, this is an improvement over the clusterfuck of an exhaust collector BMW put on the M52TU/M54 engines.

    Courtesy of Gingerbread...
    so wait, you keep saying it makes horsepower but I see no mention of actual power (torque). Is there any because i thought that was what we were going back and forth about?
    Call me Seth
    CURRENT: 2016 Long Beach Blue BMW /// M2
    RETIRED: ‘15 F22 M235i | '08 E90 M3 DCT "GoinHAM3" | '04 E46 M3 6MT "WEGOHAM"
    '04 330i ZHP | '11 E82 135i | '08 E90 328xi | 07 E91 328xi SportWagon

    Quote Originally Posted by danewilson77 View Post
    If I wore panties, I'd be dropping them right now.

  9. #29
    I just want to add that I just had a short drag race with my friend (no, I do not condone street racing) who has a 2001 330ci that I installed headers on some weeks back. So he has 150k miles, my ZHP has a 138k miles. He has a light flywheel and short shifter also, my car is 100% stock. We ran from a 20mph kick and ran to about 80mph. I lost by less than half a car length and I got a late jump. If my car didn't have a SEVERE 4000rpm dip, I probably would have won handily.

    Why is this relevant? Well, he spent $1000 on real honest to goodness headers and he can still barely beat a stock ZHP. Is it really worth it to smell that bad and be that obnoxiously loud? Not to mention inspection issues?

  10. #30
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    Did he reset his adaptations?

    You also have a shorter Final Drive Ratio so your acceleration is quicker than his.

    Courtesy of Gingerbread...
    Porsche 944 Turbo Build

    One ride and you'll understand why most rocket scientists are German.

    My ZHP Build 2004-2014 RIP


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