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Headers Are In!!!

This is a discussion on Headers Are In!!! within the External Engine forums, part of the LSx Technical Help Section category; Well everybody I have finally got my Pacesetter LT's and ORY installed and it was quite the journey. The hardest ...

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    Senior Member ss~zoso~ss's Avatar
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    Cool Headers Are In!!!

    Well everybody I have finally got my Pacesetter LT's and ORY installed and it was quite the journey.

    The hardest part was probably getting the Y pipe to fit in there, this required removing the rear exhaust hanger to move the intermediate pipe and the muffler back so that i could slip the Y pipe over the Driver's side header, the passenger's side header went a bit easier

    As of now i just have the Y pipe clamped with the shitty U bolt clamps, i hope to get some band clamps in the near future, i didnt tighten down the U bolt clamps too tight cuz i didnt want to bend the pipes, so i have some exhaust leaks.

    Over all the install went alright considering i was using jackstands and ramps, a few things that gave me trouble; removing the starter, getting the y pipe all set, getting the passenger header in ( i needed to jack the car up another half a foot), and fumbling around with the various hard to get to nuts and bolts

    As for the gains, deffiently more HP in the Higher RPM's, i havent beat on it too much yet because i gotta get back in there and make sure things arent loose.

    The sound it greatly increased, sounds like an old school muscle car, the ORY deffiently has a huge role in that, as well as my 40 series flowmaster muffler.

    pssh.. what a long past 3 days

    probably took me 10-15 hrs total to complete this job.

    please post any questions at all.

    ~Jeff

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    How do you like the flowmaster with the LTH's? I think it sounds awesome!

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    Rice Hungry GottaHaveLS1's Avatar
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    nice dude, i'll probably order mine when i'm out of school. u guys get out soo early. im still here til the 18th. but you should definitely post some sound clips.

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    LS1-TA schrysler's Avatar
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    I Have Flowmasters Right Now And Want To Do The Same Set Up. But I Have Been Told Over And Over That If I Do The Headers That I Should Switch To A "higher Flowing Muffler" Like Borla Or Magnaflow In Order To Make Any Gains.....thoughts?
    1998 Trans Am Vert, M6, Soon to be full of goodies......

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    Pathelogical Liar BlackLT1Z28's Avatar
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    Congrats on finishing the install. Definately takes some work, but well worth it. And you get a sense of accomplishment when all is said and done. Did you run it with just the headers before putting on the ORY?

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    Rice Hungry GottaHaveLS1's Avatar
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    Sound Clips!!!!!!!!!!

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    Senior Member rajiv1998's Avatar
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    I feel ur pain. I had to cut my friends off to put the new headers in. But im not complaining. It was fun, and plus his dad owns a shop, so we had access to a lift,tools,power tools etc... How do u like them as far as power? I can tell u that once we fired it up and opened the Q-tec's it was LOOOUUD

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    Senior Member ss~zoso~ss's Avatar
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    yea i'd leave the Flowmaster in there, well that is if its a 40 series, i love the sound it has, very deep rumble whereas a borla / magnaflow, would give u a different sound.

    the Y pipe is giving me trouble being such a tight fit, but i'll work it out

    i got a huge sense of accomplishment when i turned the key and it fired right up.

    i'm loving it, cant wait untill i get the Y pipe all sealed up.

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    Flowmaster gets is reputation for sound not performance! With LTH's, you are getting a big enough gain that the 80 Series will not cause a big power loss! Tested and Proven! The 40 Series I have not heard yet on a Single in/out

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    Senior Member ss~zoso~ss's Avatar
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    the 40 series i have is a single in and dual out, and sounds MEAN

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    Member 1986camarojoe's Avatar
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    I didn't think they made 40 series with dual out.

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    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by 9t8z28 View Post
    How do you like the flowmaster with the LTH's? I think it sounds awesome!
    Sounds much better on an LT1 than an LS1.

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    Quote Originally Posted by INMY01TA View Post
    Sounds much better on an LT1 than an LS1.
    Depends on the setup you have also. I prefer it on the LS better!
    Of course, though, I am mainly comparring the Pypes cat back which is similar but very different from the Flowmaster.

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    Senior Member slims00ls1z28's Avatar
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    Should have started it before the y pipe install if you want to hear mean! I installed mine last week. And since I have TD's I hve to get them rerun on the pass side to fit so I'm running open headers until probably friday when I get a chance. Loud does not begin to describe it. Awsome. Wish I had the cam installed already before the exhaust but won't have the time vacation is already over

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    Veteran 0rion's Avatar
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    damn, i thought maybe the pictures were in this thread. Guess not. I see digital cameras on sale all the time. Want me to forward a link to you when I see the next one?

    I have getting my Y-pipe and stuff back on without banging down to a science. It's all in the angle your I-pipe meets the over the axle pipe. Then wedge some blocks of wood in the tight spots to hold it in place while you tighten everything down and then knock the blocks out. You pull your exhaust 5 or 6 times and you'll get the hang of it.

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    nice job, now you can help install mine

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    Rice Hungry GottaHaveLS1's Avatar
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    zoso, can you make some sound clips?

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    Senior Member ss~zoso~ss's Avatar
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    Quote Originally Posted by vin98SS View Post
    nice job, now you can help install mine
    dude shoot me a PM or Message on facebook, i'll try to answer any questions u got, as far as install let me know where u live and we'll see what we can do

    Quote Originally Posted by GottaHaveLS1 View Post
    zoso, can you make some sound clips?
    idk i'll try, i dont have anything really great, maybe one day i'll get my mom's digi camcorder out.

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