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Thread: Headers on stock ZHP

  1. #11
    Join Date
    May 2011
    Location
    Charleston SC
    Posts
    5,557
    I had the secondary O2 sensors and SAP completely coded out like they were never there...
    Dinan CAI &Throttle body, ESS Tuning TS2, Bimmerbrakes gen3 headers, UUC SSK & DSSR. Achilles oil pump, VAC oil pan baffle
    M3 Motor mounts, UUC Trans mounts, Modified clutch style LSD 3.15, TMS front subframe reinforcement, Koni Yellow sports,
    H&R sport springs,
    UUC sway bars, BMW Perf. Rotors, UUC SS brake lines, Hawk HPS pads, CSL replica wheels,
    Rotora strut bar, FXR HID conversion, M3 Mirror conversion, BSW stage 1 speakers

  2. #12
    Join Date
    Feb 2014
    Location
    Picton, ON
    Posts
    5,811
    schmiedmann makes some nice headers, with optional 'section 1' (M3-speak) piping with high flow cats. looks like a decent option, but i'm not sure the cats will get hot enough to do anything.
    peter



    2005 BMW 330iT ZHP 6MT | obnoxious

    2007 BMW X3 3.0si M Sport 6MT | the X

  3. #13
    Join Date
    Jun 2018
    Location
    Portland, OR
    Posts
    19
    I have the ebay headers with DEI Titanium wrap on my ZHP. They make a nice difference across the power band and sound great on the car with the stock ZHP cat-back. The CEL is the only downside...


  4. #14
    Join Date
    Nov 2016
    Location
    Main County
    Posts
    154
    ^^ that's stock muffler?? I'm doing this soon and...damn maybe I won't also do a muffler.

    | My YouTube Channel | Instagram (WIP) |FS: Steering wheel controls |

    BMWCCA GGC: 530872
    "You canít connect the dots looking forward; you can only connect them looking backwards." - Steve Jobs

  5. #15
    Join Date
    May 2011
    Location
    Kensington, Maryland
    Posts
    2,089
    Quote Originally Posted by Hornung418 View Post
    Hahahaha!

    You can have someone tune/code the car so it disables the post catalytic monitoring and shows the readiness signal as N/A, thus avoiding any check engine lights and emissions failures.

    Sent from my Pixel XL using Tapatalk
    This is the way to do it. Code out the CEL and you're good to go until you have to pass emissions.

    If you need to pass emissions like I do, Google area 74 o2 simulator. It's effectively saved the N55 crowd from the government nonsense. Works on any vehicle.

    Sent from my Nexus 5X using Tapatalk
    2005 Jet Black 6MT ZHP "Family First"
    ~Rob~

  6. #16
    Join Date
    Jun 2018
    Location
    Portland, OR
    Posts
    19
    Quote Originally Posted by YoitsTmac View Post
    ^^ that's stock muffler?? I'm doing this soon and...damn maybe I won't also do a muffler.
    Yep, and that's through a camera phone! You can see the stock ZHP exhaust tips in the video. The sounds are even better under load at full tilt...

  7. #17
    Join Date
    Nov 2016
    Location
    Main County
    Posts
    154
    Quote Originally Posted by idrivemyself View Post
    Yep, and that's through a camera phone! You can see the stock ZHP exhaust tips in the video. The sounds are even better under load at full tilt...
    I saw that but I honestly couldn't believe it. That sounds fricken fantastic! Congrats! I'm installing mine this weekend but am also going to put in a magna flow muffler. Now I'm worried it'll be too loud!

    | My YouTube Channel | Instagram (WIP) |FS: Steering wheel controls |

    BMWCCA GGC: 530872
    "You canít connect the dots looking forward; you can only connect them looking backwards." - Steve Jobs

  8. #18
    Join Date
    Jun 2018
    Location
    Portland, OR
    Posts
    19
    Thank you! I've long debated replacing the stock primary resonator with an x-pipe, but with the sound as-is...

    Good luck with yours, post a video after it's done!

  9. #19
    Join Date
    Nov 2016
    Location
    Main County
    Posts
    154
    Header install delayed. Basically pulled every muscle in my body doing misc work on my car and a friends. Headers install next time I have energy! I'll make sure to post a clip.

    | My YouTube Channel | Instagram (WIP) |FS: Steering wheel controls |

    BMWCCA GGC: 530872
    "You canít connect the dots looking forward; you can only connect them looking backwards." - Steve Jobs

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