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Best LT headers and cat back set up

This is a discussion on Best LT headers and cat back set up within the External Engine forums, part of the LSx Technical Help Section category; I have a stock LS1 and am looking to buy LTs and a cat back. I don't want drone and ...

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    Senior Member 2001camaroSS's Avatar
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    Best LT headers and cat back set up

    I have a stock LS1 and am looking to buy LTs and a cat back. I don't want drone and as little rasp as possible. Any ideas or opinions would be great. Right now i have an slp cat back but i have heard that it is really raspy with LTs.

  2. #2
    Quote Originally Posted by 2001camaroSS View Post
    I have a stock LS1 and am looking to buy LTs and a cat back. I don't want drone and as little rasp as possible. Any ideas or opinions would be great. Right now i have an slp cat back but i have heard that it is really raspy with LTs.
    Hooker and Magnaflow are the only ones in my experience that have zero rasp when you add headers.

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    Senior Member 2001camaroSS's Avatar
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    Quote Originally Posted by Mike0202 View Post
    Hooker and Magnaflow are the only ones in my experience that have zero rasp when you add headers.
    yea i dont know much about headers so i just want to do my research. I want something that is loud and that's going to add some good horsepower. those things probably go hand in hand with raspy. my buddy keeps telling me to get american racing headers or kooks. he has kooks longtubes 1 7/8s and y pipe with a corsa catback. his sounds mean but it is really raspy and is coming off of a 408 stroker.
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    NY Representative basballny2's Avatar
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    if money isnt a problem go with kooks or ARH....i personally have kooks lt's, ory, slp catback with a magnaflow bullet muffler in place of the slp resonator and love the sound...

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    Just me Y2KPewterSS's Avatar
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    First rule of thumb when choosing long tubes is avoid SLP headers. As long as you do that, you don't get a grade of "F". Kooks and ARH are the cream of the crop. One of these days when I do a header swap again on mine, I will go with one of those two. Pacesetters, Jet Hots, Hookers are all solid too.

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    Senior Member 2001camaroSS's Avatar
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    Quote Originally Posted by basballny2 View Post
    if money isnt a problem go with kooks or ARH....i personally have kooks lt's, ory, slp catback with a magnaflow bullet muffler in place of the slp resonator and love the sound...
    have any sound clips of it?

    Quote Originally Posted by Y2KPewterSS View Post
    First rule of thumb when choosing long tubes is avoid SLP headers. As long as you do that, you don't get a grade of "F". Kooks and ARH are the cream of the crop. One of these days when I do a header swap again on mine, I will go with one of those two. Pacesetters, Jet Hots, Hookers are all solid too.
    i am definitely not getting SLP headers. If i'm going to spend the money i am going to do it right. at the same time i want the best bang for the buck. if there isn't a much difference between the high dollar stuff and the mid grade stuff then why pay more. i just want the best bang for the buck, get some good HP, and a great sound.

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    Just me Y2KPewterSS's Avatar
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    Quote Originally Posted by 2001camaroSS View Post
    have any sound clips of it?



    i am definitely not getting SLP headers. If i'm going to spend the money i am going to do it right. at the same time i want the best bang for the buck. if there isn't a much difference between the high dollar stuff and the mid grade stuff then why pay more. i just want the best bang for the buck, get some good HP, and a great sound.
    From a performance stand point, I don't think there is that much difference between the mid level and high end ones, at least not with basic mods.

    The difference between the mid and high level ones would be longevity. The Kooks are much more durable than ceramic or jet hot coated ones.

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    QTP makes a pretty well fitting header too...
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    Senior Member 2001camaroSS's Avatar
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    Quote Originally Posted by Y2KPewterSS View Post
    From a performance stand point, I don't think there is that much difference between the mid level and high end ones, at least not with basic mods.

    The difference between the mid and high level ones would be longevity. The Kooks are much more durable than ceramic or jet hot coated ones.
    ive heard that ARH have better clearance than kooks and with my car being as low as it is this is going to be an issue. i also want to get CME but i'm not sure hpw that is going to sound vs and exhaust that just comes out the back without all the bends.

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    Senior Member Hurley711's Avatar
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    check out LS1sounds.com too lots of diff setups on there available to listen to!

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    I have Kooks 1-7/8" with the Kooks ORY. My car is lowered now on Strano springs and my exhaust is tucked up nicely.

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    Senior Member 2001camaroSS's Avatar
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    dont you have the slp cat back?

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    Moderator 35th-ANV-SS's Avatar
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    Yes. I have the LM-II. I love how it sounds. It definitely has a distinct sound that I've never heard on our cars before. I get a lot of compliments. It is very loud though...especially at WOT. Just cruising around it isn't too bad and you can easily have a conversation with your woman. There is some drone around 2500 RPM.

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    To save some cash you could keep the lm cat back and add the lts. Its not THAT bad with cats. Its when you remove the cats that it becomes beyond annoying.

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    Senior Member 2001camaroSS's Avatar
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    Quote Originally Posted by Mike0202 View Post
    To save some cash you could keep the lm cat back and add the lts. Its not THAT bad with cats. Its when you remove the cats that it becomes beyond annoying.
    yea i am contemplating that after what 35th-ANV-SS but i have the loudmouth not the LM-II.

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    Quote Originally Posted by 2001camaroSS View Post
    yea i am contemplating that after what 35th-ANV-SS but i have the loudmouth not the LM-II.
    just replace the resonator with a bullet muffler and go from there.....as far as top dollar to mid level headers, your paying for the longgevity and clearance....i dont have a sound clip of my car but ill get you one....ive been promising cutlas forever also that id get him one ..... ill get on that 2marro

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    All I can say is that QTP is a piece of crap. I have had nothing put problems with mine.The main issue I have is that both headers have very bad exhaust leaks at the merge collector. Called QTP and they gave me the run around even after Thunder Racing verified my issue. I have a set of Kooks on order and will be throwing the QTcraPs away very soon.

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    Senior Member 2001camaroSS's Avatar
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    well right now i'm leaning towards kooks longtubes and ORY. would you get cats or catless? i still need to figure out what to do with the catback especially because i want CME

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    Quote Originally Posted by 2001camaroSS View Post
    well right now i'm leaning towards kooks longtubes and ORY. would you get cats or catless? i still need to figure out what to do with the catback especially because i want CME
    I chose to remove my cats only because I knew I didn't need them for smog here where I live and I plan on running a FI set-up, which I read and was told that in time the cats will probably break down with FI.

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    NY Representative basballny2's Avatar
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    kooks lts with ory into slp exhaust with the resonator replaced with a magnaflow bullet muffler

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