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full open exhaust question

This is a discussion on full open exhaust question within the External Engine forums, part of the LSx Technical Help Section category; i am currently having a custom grind cam put in (230/236 581/590 on a 112 lsa) patriot dual valve spring ...

  1. #1
    Member 2-bowties&abird's Avatar
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    cam/lt headers
    blue 2000 ws6 m6

    full open exhaust question

    i am currently having a custom grind cam put in (230/236 581/590 on a 112 lsa) patriot dual valve spring kit, hardened pushrods, lt headers, and a custom tune. what do you guys think about an open exhaust from headers back to dual tips in the rear, no cats, no muffler, i'm keeping the front o2 sensors and doing away with the rear ones. does anyone have a similar set up to this? what does everyone think?
    2000 ws6 m6 no other mods

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    Member blackbird99's Avatar
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    Quote Originally Posted by 2-bowties&abird View Post
    i am currently having a custom grind cam put in (230/236 581/590 on a 112 lsa) patriot dual valve spring kit, hardened pushrods, lt headers, and a custom tune. what do you guys think about an open exhaust from headers back to dual tips in the rear, no cats, no muffler, i'm keeping the front o2 sensors and doing away with the rear ones. does anyone have a similar set up to this? what does everyone think?
    2000 ws6 m6 no other mods
    my brother has that exhaust set up its extremly loud!!!!!

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    Member 2-bowties&abird's Avatar
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    cam/lt headers
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    does your brothers have a good sound to it or is it just an annoying loud. i have had alot of people saying it will not have a good sound to it at all. i have heard this set up just not on our cars, i have heard it many times at truck pulls and they sound awsome.

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    Member GNICTRY's Avatar
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    2000 Trans Am WS6 Ram Air

    i have headers to resonators to slp lm1....similar?...? I love it and get lots of great comments on how it sounds.

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    Member 2-bowties&abird's Avatar
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    cam/lt headers
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    so do you have cats on that set up? the slp muffler you have can be set up for wide open or muffled correct? so it sounds good wide open?

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    Member GNICTRY's Avatar
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    Quote Originally Posted by 2-bowties&abird View Post
    so do you have cats on that set up? the slp muffler you have can be set up for wide open or muffled correct? so it sounds good wide open?
    Not really I have obx resonators in place of my cats. As for the slp not sure because it was on the car when i bought it. How would I tell? Everyone I know says it does ...here is a video at the track...may help



    here is the dyno




    and a burn out



    Hope this helps

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    Member blackbird99's Avatar
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    Quote Originally Posted by blackbird99 View Post
    my brother has that exhaust set up its extremly loud!!!!!
    he is cerrently running high flows to make it quiet but not much of a difference with them on,but to me its to loud he said he would install mufflers in the summer for a much deeper sound.

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    Member firemedic0135's Avatar
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    My current setup is headers into the stock exhaust without cats,muffler and it is loud as hell at WOT but it does sound facking great though.
    I love it and it will prolly take a couple of tickets before taking it off.

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    Senior Member TransAm11973's Avatar
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    guys i have a lt's to 3 in ypipe back to a flowmaster system. I wanted to find something with the same sound as flowmaster but that is louder or a lot louder. Its a single inlet to duals, flowmaster muffler..anyone know of a direct fit in replacement that i could get that would be LOUDER!!!!! thx

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    Sarge for AAG Emperor hutch1999's Avatar
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    Quote Originally Posted by GNICTRY View Post
    Not really I have obx resonators in place of my cats. As for the slp not sure because it was on the car when i bought it. How would I tell? Everyone I know says it does ...here is a video at the track...may help



    here is the dyno




    and a burn out



    Hope this helps
    great vids man! sounds good! How much did you put down to the wheels?

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    Sarge for AAG Emperor hutch1999's Avatar
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    Quote Originally Posted by TransAm11973 View Post
    guys i have a lt's to 3 in ypipe back to a flowmaster system. I wanted to find something with the same sound as flowmaster but that is louder or a lot louder. Its a single inlet to duals, flowmaster muffler..anyone know of a direct fit in replacement that i could get that would be LOUDER!!!!! thx
    Ive got the same setup without any cats, Ive been looking at the Hooker cat-back system. $300 and sounds real good from the clips ive listened to, im hoping its louder than my flowmaster.

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    Member 180ls1's Avatar
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    1998 Firebird Formula WS6

    go for it! and then if you have to get a muffler and have a cutout installed at the same time so you can have that sound again.

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    Senior Member TransAm11973's Avatar
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    Quote Originally Posted by hutch1999 View Post
    Ive got the same setup without any cats, Ive been looking at the Hooker cat-back system. $300 and sounds real good from the clips ive listened to, im hoping its louder than my flowmaster.
    cool when you get that can you let me know?? Thx man

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    Sarge for AAG Emperor hutch1999's Avatar
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    06 HD Softail
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    Quote Originally Posted by TransAm11973 View Post
    cool when you get that can you let me know?? Thx man
    Im tryin to sell one of my dirt bikes to come up with some coin. I might be a lil while tho. Ill be sure to try to let you know.

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    Member GNICTRY's Avatar
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    Quote Originally Posted by hutch1999 View Post
    great vids man! sounds good! How much did you put down to the wheels?
    thanks! 335rwhp 337rwtq

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    Sarge for AAG Emperor hutch1999's Avatar
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    06 HD Softail
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    Quote Originally Posted by GNICTRY View Post
    thanks! 335rwhp 337rwtq
    great numbers man! esp for a bolt on 2000.

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    Member GNICTRY's Avatar
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    Quote Originally Posted by hutch1999 View Post
    great numbers man! esp for a bolt on 2000.
    Thanks...my car diffently has a personallity as Frost says!

    btw im a lady!...

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    Member 2-bowties&abird's Avatar
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    cam/lt headers
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    Quote Originally Posted by GNICTRY View Post
    Thanks...my car diffently has a personallity as Frost says!

    btw im a lady!...
    you know frost? he was the guy who put me onto the shop my car is at now. he said he was in a f-body club down in richmond, are you part of that?

  19. #19
    Sarge for AAG Emperor hutch1999's Avatar
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    Quote Originally Posted by GNICTRY View Post
    Thanks...my car diffently has a personallity as Frost says!

    btw im a lady!...
    oh cool

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    Member 2-bowties&abird's Avatar
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    Quote Originally Posted by hutch1999 View Post
    oh cool
    i notice you have the firebird emblem embroidered on your headrest, did that come like that, i wanted to get ws6 embroidered in white on my headrest and was wandering if there is anyone that does that type thing or a place you can buy them or whatever.

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