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  1. #1
    Apprentice dylan
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    04 sentra SE-R SPEC-V
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    Default Altima SE-R headers

    hey travis,

    need to finish up my all motor bolt on build with my altima. been lookin at headers and cattman seem to sound the best but everyone looks to get just ebay headers and slap em on. Im lookin at the megan racing ones and they are only $230. what would u reccomend man? I plan on getting the IM spacers and 2j's pulley as well. i already have a K&N filter (ebay piping) intake, npw block off and racingline y-pipe. (y-pipe goes bye bye if i get the headers though) But after the headers ill wanna tune on UPREV and see what i can pull. 270whp to much to ask for?(with headers, 2j pulley, intake, block off plate and UPREV tune)? or what numbers should i expect? Thanks man!

    2004 SE-R SPEC-V
    NISMO intake
    NISMO suspension
    NISMO short shifter
    NISMO bushings
    NISMO header
    Apexi N1 Exhaust
    PnP IM and PnP TB
    2j-racing Pulley
    clutchmasters stage 2 clutch
    JWT flywheel

    2005 SE-R ALTIMA
    ebay intake with K&N filter
    racingline sturbar
    racingline drop springs (front)
    Racingline y-pipe
    NWP block off plate


  2. #2
    Apprentice dylan
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    Nissan Altima Exhaust & Headers - M2 Performance Nissan Altima 02-06 3.5L V6 SER VQ35DE Stainless Steel Header + Downpipe Combo

    think imma rock those, grab some spacers, 2j pulley and tune and call it a day. lol.

    2004 SE-R SPEC-V
    NISMO intake
    NISMO suspension
    NISMO short shifter
    NISMO bushings
    NISMO header
    Apexi N1 Exhaust
    PnP IM and PnP TB
    2j-racing Pulley
    clutchmasters stage 2 clutch
    JWT flywheel

    2005 SE-R ALTIMA
    ebay intake with K&N filter
    racingline sturbar
    racingline drop springs (front)
    Racingline y-pipe
    NWP block off plate


  3. #3
    Apprentice dylan
    Join Date
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    04 sentra SE-R SPEC-V
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    Default

    also and idea's on how to extend the 2nd 02 sensor? or should i have a exhaust place weld in a bung closer? lol

    2004 SE-R SPEC-V
    NISMO intake
    NISMO suspension
    NISMO short shifter
    NISMO bushings
    NISMO header
    Apexi N1 Exhaust
    PnP IM and PnP TB
    2j-racing Pulley
    clutchmasters stage 2 clutch
    JWT flywheel

    2005 SE-R ALTIMA
    ebay intake with K&N filter
    racingline sturbar
    racingline drop springs (front)
    Racingline y-pipe
    NWP block off plate


  4. #4
    Newbie Randy
    Join Date
    Jan 2012
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    Glen burnie, Maryland
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    2012 Sentra SER SEPC-V
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    Default

    Quote Originally Posted by 04SPEC-Vsentra_dylan View Post
    Be very careful with m2/Megan. I know on the b16 because of motor movement the down pipe falls apart. Header cracks sometimes too. I had the header on my b16 and drove the piss out of it at times with no problem. It's hit or miss

  5. #5
    Senior Member
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    Default

    i run the m2 longtubes on my spec but i had to mod the y pipe to fit around the cross member. that wont be a problem on the alti though. they sound fan fucking tastic compared to the short tubes and un equal y pipe i had. ive had them for about a year now with no problems.

  6. #6
    Senior Member Andy
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    Default

    i have a set of nwp spacers for sale. pm me for a price if you're interested.

    and 270whp might be a little much to ask for from those bolt-ons, but it may happen with the right tune
    Current Quickest/Fastest All motor B15 - 12.22 @ 112mph - 11's coming soon!

    check out my YouTube channel - www.youtube.com/user/CloudWhiteSpecV

  7. #7
    Apprentice dylan
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    Default

    What numbers should I see? Ones

    2004 SE-R SPEC-V
    NISMO intake
    NISMO suspension
    NISMO short shifter
    NISMO bushings
    NISMO header
    Apexi N1 Exhaust
    PnP IM and PnP TB
    2j-racing Pulley
    clutchmasters stage 2 clutch
    JWT flywheel

    2005 SE-R ALTIMA
    ebay intake with K&N filter
    racingline sturbar
    racingline drop springs (front)
    Racingline y-pipe
    NWP block off plate


  8. #8
    Apprentice dylan
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    How much of a PITA is the install? Lol. I read somewhere 10hours. But I know u gotta take the I'M manifold off. But other then that it should be fairly easy? And is it really necessary to re torque all the I'M manifold bolts? Lol can't I just hand tighten them tight as shit?

    2004 SE-R SPEC-V
    NISMO intake
    NISMO suspension
    NISMO short shifter
    NISMO bushings
    NISMO header
    Apexi N1 Exhaust
    PnP IM and PnP TB
    2j-racing Pulley
    clutchmasters stage 2 clutch
    JWT flywheel

    2005 SE-R ALTIMA
    ebay intake with K&N filter
    racingline sturbar
    racingline drop springs (front)
    Racingline y-pipe
    NWP block off plate


  9. #9
    Senior Member Andy
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    Default

    nah it doesnt take 10 hours lol just follow the instructions from nwp and you'll be fine. you dont want the intake mani bolts too tight tho, so dont go hulk on them

    i figure you could put down 250's maybe 260 with a nice tune. if you have a small exhaust (2.5") then thats gonna cut back your gains
    Current Quickest/Fastest All motor B15 - 12.22 @ 112mph - 11's coming soon!

    check out my YouTube channel - www.youtube.com/user/CloudWhiteSpecV

  10. #10
    Apprentice dylan
    Join Date
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    Default

    I was talkin the 10hour install for headers lol. Not for the I'M lol

    2004 SE-R SPEC-V
    NISMO intake
    NISMO suspension
    NISMO short shifter
    NISMO bushings
    NISMO header
    Apexi N1 Exhaust
    PnP IM and PnP TB
    2j-racing Pulley
    clutchmasters stage 2 clutch
    JWT flywheel

    2005 SE-R ALTIMA
    ebay intake with K&N filter
    racingline sturbar
    racingline drop springs (front)
    Racingline y-pipe
    NWP block off plate


  11. #11
    Senior Member Andy
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    Default

    oh.

    i couldnt tell you how long the install would take, have yet to do that job but 10 hrs seems a little much
    Current Quickest/Fastest All motor B15 - 12.22 @ 112mph - 11's coming soon!

    check out my YouTube channel - www.youtube.com/user/CloudWhiteSpecV

  12. #12
    Apprentice dylan
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    O lol. Yeah cuz everyone I talk say it takes like all day and shit lol. Idk when I get back from leave and have 2 days off in a row ill throw em on. Well atleast try lol. My dam racingline y-pipe fucking rattles now. Idk if its a lose bolt or what but its so fucking annoying andmakes my car sound like shit lol

    2004 SE-R SPEC-V
    NISMO intake
    NISMO suspension
    NISMO short shifter
    NISMO bushings
    NISMO header
    Apexi N1 Exhaust
    PnP IM and PnP TB
    2j-racing Pulley
    clutchmasters stage 2 clutch
    JWT flywheel

    2005 SE-R ALTIMA
    ebay intake with K&N filter
    racingline sturbar
    racingline drop springs (front)
    Racingline y-pipe
    NWP block off plate


  13. #13
    Apprentice Rob
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    Montreal
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    Default

    about numbers, been following a thread about a very nice altima SER on an other forum. the guy has every possible bolt on you could think of except the cams. He's got a good tune with Greddy Emanage Ultimate and put 265 to the wheels and mid 13 on 1/4. Might give you an idea of the numbers you could possibly get!

  14. #14
    Apprentice dylan
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    Dam well i guess i need to get 3in piping. idk its stock so im guessing its 2.5in or whatever. nothing crazy just got hi-flo stock exhaust...But ill look into getting 3in. shouldnt be expensive.....But if i grab ur PnP upper manifold, spacers, pulley, and do the headers and UPREV tune i hope to atleast put down 260whp.

    2004 SE-R SPEC-V
    NISMO intake
    NISMO suspension
    NISMO short shifter
    NISMO bushings
    NISMO header
    Apexi N1 Exhaust
    PnP IM and PnP TB
    2j-racing Pulley
    clutchmasters stage 2 clutch
    JWT flywheel

    2005 SE-R ALTIMA
    ebay intake with K&N filter
    racingline sturbar
    racingline drop springs (front)
    Racingline y-pipe
    NWP block off plate


  15. #15
    Apprentice dylan
    Join Date
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    Quote Originally Posted by Rob View Post
    about numbers, been following a thread about a very nice altima SER on an other forum. the guy has every possible bolt on you could think of except the cams. He's got a good tune with Greddy Emanage Ultimate and put 265 to the wheels and mid 13 on 1/4. Might give you an idea of the numbers you could possibly get!

    got a link to his build? Id love to get my altima cammed but the pricetag is a little crazy......lol $1400

    2004 SE-R SPEC-V
    NISMO intake
    NISMO suspension
    NISMO short shifter
    NISMO bushings
    NISMO header
    Apexi N1 Exhaust
    PnP IM and PnP TB
    2j-racing Pulley
    clutchmasters stage 2 clutch
    JWT flywheel

    2005 SE-R ALTIMA
    ebay intake with K&N filter
    racingline sturbar
    racingline drop springs (front)
    Racingline y-pipe
    NWP block off plate


  16. #16
    Apprentice Rob
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    I'd love to give you a link, but there is 2 problems:

    -Since I'm from Quebec, Canada, This thread is in french :S

    -Second, I've tried to find a full build thread, but I fond like 5 separate thread (progressive build)

    The only thing I can give you is this: Altima SE-R 2005 de ampli sur monchar.com

    It's still in french, but you can see his numbers and pictures!

    Hope that'll still help you

  17. #17
    Apprentice dylan
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    his looks almost like mine! lol! cept my rims are black and my eyelids are black but i like how he painted above the exhaust black....

    2004 SE-R SPEC-V
    NISMO intake
    NISMO suspension
    NISMO short shifter
    NISMO bushings
    NISMO header
    Apexi N1 Exhaust
    PnP IM and PnP TB
    2j-racing Pulley
    clutchmasters stage 2 clutch
    JWT flywheel

    2005 SE-R ALTIMA
    ebay intake with K&N filter
    racingline sturbar
    racingline drop springs (front)
    Racingline y-pipe
    NWP block off plate


  18. #18
    Apprentice username
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    my bc3s were only like 900
    i want to get down on my knees and start pleasing jesus

  19. #19
    Senior Member
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    Quote Originally Posted by 04SPEC-Vsentra_dylan View Post
    I was talkin the 10hour install for headers lol. Not for the I'M lol
    thats pretty accurate in my book. it was a bitch to do them in my car and i dont see an altima having a whole lot more room to work with. the problem is at the header flanges. the bolt layout makes it really hard to get to a few nuts and it required me to have 3 brands of the same size wrench because of not being able to get a full turn on one wrench so then i had to go to another to get another 1/16th of a turn. if the motor were out of the car though it would be easy.

  20. #20
    Senior Member
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    Default

    To answer your question..

    You have 2 options..

    - Cheap, and "ok" numbers
    - Expensive, and "good" numbers

    Anything you buy from Ebay is going to rust, or discolor, because it's not true 304 stainless. It has a percentage of mild steel, nickel, and a host of other "filler" metals. The reason the parts are so blinged out, is because they are polished in huge automatic tumblers (polishing machines).

    Also, the weld quality is hit or miss.. again, because you're dealing with a metal that's inconsistent. This is why cracks form most of the time. Believe it or not, the welding technique and equipment is NOT to blame. It's the metal.

    When I build a set of headers, I buy true 304L (low carbon) stainless. It's millitary/aviation grade material, and you pay good money for it. But, it will not rust, it welds beautifully, and will not crack. This is why I offer a lifetime warranty on ANY fabricated part that I sell. I trust that 99.9% of the parts that I fab, will never break. I've had guys get into serious accidents, and our mounting kits, exhausts, etc.. all held up just fine.

    Then, there's the issue of performance.. Almost ANY aftermarket exhaust system or header is going to make more power than a factory part, simply because of larger diameter tubing, no cat(s), etc.. But, there's a difference between a set of headers that make 10whp, and a set that makes 25-30whp on the same engine.

    So, it just depends on what you're willing to spend, versus what you're looking to gain, or what you expect out of the product. Ebay stuff will look like crap within a few months, and it's hit or miss on longevity. Our stuff will look great, and last for the lifetime of the vehicle. We also stand behind it with a lifetime warranty. Cattman does the same, I believe.

    Travis
    For tech/service questions, you may reach me at: 281-398-1850. Keep in mind that I no longer manage FI-R, but I have no problem answering tech questions for past customers. It may take a few days to get back with you, but please leave a message.

 

 
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