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Thread: shorty headers

  1. #1
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    shorty headers

    i just became a 03 Marauder owner over this weekend.. i live in a very hill area , and i don,t want long tube headers, i want shorty header,s equel length , or if i had to use shorty header unequel length , i just need to know if there are some out there that will work with the 03-04 , 4V , heads of the marauder ,... and fitment with in the engine bay , are all hole sizes for oxegen sensors to thread in a standard size. ( diamerter and thread count - standard or metric>> ) i plan on making my own custom exhaust to meet up to the header,so i am not worried about flange fitmint to stock marauder exhaust system ... if there is some shorty header,s that will will work , can i have name of company and part number thanks !!!!!!!!!

  2. #2
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    FRPP cobra shorties work fine, so will the mid pipe.
    It's all BS until you can show me the time slip!

    Trilogy #36
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  3. #3
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    Quote Originally Posted by boatmangc View Post
    FRPP cobra shorties work fine, so will the mid pipe.
    Also ,you are not going to get same H/P gains with the shorties as the Long tubes .For my money I would get the factory 1-7/8 " pipes removed / get 2-1/2 '' pipes from the 2-1/2 '' Xpipe to the mufflers.as far as mufflers go, Dyno Reports show max HP gain with Flo Master Delta 50's [3 chamber] from independent test..Super 40's with open exhaust systems have shown in some cases actual H/P loss Happy Modding .
    Roger that

    Assembled 8/25/03. In service 11/5/03.[Safford Lincoln Mercury] . Returned from Service to Dundalk Lincoln Mercury 7/12/11 Adopted and reassigned to Street Duty 7/29/11 .at Car Center [Waldorf Ford] /Waldorf MD. # 27 of 997 silver burch #103 of 3214 Sold Oct 17, 2015. Replaced with 2016 XLT Explorer with 3:66 gear 4WD [ interceptor package] In addition 2015 -V6 Mustang added to the corral April 17,2015 with Roush upgrades .February 2018 upgraded to Explorer Sport , Ford blue ,intake upgrade, intake mod, Unleashed super tune, Governor removed. 1969 Mark III ,Forest Green still in fleet. Carlisle favorite .

  4. #4
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    +1 for the shorty headers!
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  5. #5
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    I'm pretty certain "new" FRPP cobra shorty headers are not avail. anymore, discontiued, so you will have to look for a used set on like corral.net and ebay which shouldn't be hard to locate
    2004 SB Ported Trilogy 48
    Has supporting mods and stuff
    Thanks to Marty O for his help in updating this car.

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  6. #6
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    Ford cobra shorties are part # m9430-e465 I believe. Ebay is best bet.
    2003 Mercury Marauder 300A---Black of Course!


    Mo's 93 Octane Tune for 3.55's(Thanks Marty!), K&N Intake with Prefilter, Steeda Pulleys(Thanks DRobin), Intake Spacer, Stewart/EMP water pump, Powdercoated Cam Covers and Coil Covers and COT, Granatelli Connectors, A few billet goodies, FRPP Ceramic Coated Shortys with X-pipe and High flow cats(Thanks DRobin again!), Magnaflow's and 4" Tips no resonator, Addco rear Sway Bar, Moog front end links, Oil Catch Can, 200 amp alternator with Big 3 Upgrade, Napa Performance rotors front and rear and EBC Greenstuff pads, SS braided brake hoses and red calipers, HID's 5K head and 3K fog, 20% Tint all around, Bob White Red Inserts, Web Electric Sequential Turn Signals, Anti-theft Trunk Plates, Trunk Lid Liner, Tinted Tails, Marauder Valve Stem Caps, Chin Spoiler and Aftermarket Girdle Cover

  7. #7
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    a few of us have them and have issues with them cracking, I would go with kooks, they are more of a mid length header.
    2003 Black - sold, back again, and sold
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  8. #8
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    Mine may be available soon, stay tuned
    It's all BS until you can show me the time slip!

    Trilogy #36
    #2529 of 7839
    See Garage for mods.
    O bsessive
    C ar
    D etailer

    SOLD

    2014 Caddilac CTSV Wagon
    CAI
    DRs
    11.70 @ 119 mph
    505 RWHP at Mo's untuned.


    10/16 mods
    Ported blower. LTs catless mids, flex fuel kit, pulleys, badness.
    621/626 on E49 tuned for E85
    10.65 @ 128.9 SSHS16

  9. #9
    Join Date
    Mar 2011
    Location
    Cleveland Ohio
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    Dose anyone here have pics of the shorty headers and mid pipe on the car?

  10. #10
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    Mustang shorty header with custom made mandrel bent SS pipe.

    Left down pipe


    Right down pipe






    Shorties vs stock
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  11. #11
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    I suggest you stay far away from the FRPP shorty headers. I have first hand experience with the design flaws, which cause stress cracks in time. Trust me it's not worth the trouble of the damn things cracking once a year. I had 3 'new' drivers side failures before giving up. Unless you don't drive your car much, don't do it.



    Fastblackmerc: Your installation looks very nice. Well done.
    2003 Silver Marauder - Forged Iron Engine, Supercharged, SW Exhaust
    2002 White F250 7.3 - Turbo

  12. #12
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    I use KOOKS system on my MM & sound great with the Magnaflows.
    I also use Percys Vibe-Lock Header bolts so the headers will never come loose.

    http://www.jegs.com/i/Percys/760/310070/10002/-1

    http://www.kooksheaders.com/amfinder...r-v8-4-6-58275
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  13. #13
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    Quote Originally Posted by JohnE View Post
    I suggest you stay far away from the FRPP shorty headers. I have first hand experience with the design flaws, which cause stress cracks in time. Trust me it's not worth the trouble of the damn things cracking once a year. I had 3 'new' drivers side failures before giving up. Unless you don't drive your car much, don't do it.
    Is this common ?
    "Moonbeam McSwine"


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    Every factory option - Moonroof, all that stuff.

  14. #14
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    Quote Originally Posted by cat in the hat View Post
    Is this common ?
    I've read on here and svtp multiple threads about the shorty headers cracking and having to be repaired, they are not worth it unless the car is barely driven

  15. #15
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    Quote Originally Posted by cat in the hat View Post
    Is this common ?
    Quote Originally Posted by jwibbity View Post
    I've read on here and svtp multiple threads about the shorty headers cracking and having to be repaired, they are not worth it unless the car is barely driven
    I call B.S.

    I have over 50K on mine, no problems at all.
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




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