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catback or cut out

This is a discussion on catback or cut out within the External Engine forums, part of the LSx Technical Help Section category; I want the most bang for the buck, what do you guys think? The car is all stock,this will be ...

  1. #1
    masterblaster
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    catback or cut out

    I want the most bang for the buck, what do you guys think?

    The car is all stock,this will be the first mod.

  2. #2
    Don't Listen to Me NE98LS1's Avatar
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    1998 Trans Am

    you really can't beat a cut out for pure power, but if you got the money, a borla or a magnaflow is gonna sound a lot better, and give you very similar gains in power, you just gotta go with cut outs if you're going with flowmaster! (like me )

  3. #3
    Member Bandit1's Avatar
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    black
    2002 TA WS7

    hey everyone does anyone have the gmmg cat back

  4. #4
    member since may 2000 nhraformula's Avatar
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    black
    2000 nhra edition formula

    youll get tired of the unrefined exhaust note and drone inside the car from a cut out.
    i suggest a hooker or magnaflow exhaust
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

  5. #5
    Senior Member Zboner's Avatar
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    99 SS

    its personal preference, how loud do you want it?, the cat back is going to be about 300-900 depending on what you get and the cutout about 50 after the price of the install.

  6. #6
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    Most bang for the buck is definitely the cutout, probably will get tired of it though.

    Bandit1 - GMMG is a great catback.

    www.ls1sounds.com has sound clips you can check out.
    Last edited by 2001NBMZ28; 01-10-2006 at 05:08 PM.

  7. #7
    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    most sound for the buck would be a cutout. most performance, not happening. at most you might get a tenth in the 1/4.

    Now here's results of my exhaust endeavors. This is with 200 n2o. the stock vs cutout was same day.

    distance --- stock --- cutout --- cutout colder --- Bassani
    60ft ------- 1.987 ---- 2.074 -------- 2.020 -------1.969
    1/8 -------- 7.902 ---- 7.912 -------- 7.990 ------ 7.739
    mph ------- 93.20 ---- 93.97 -------- 92.16 ------ 98.60
    1/4 ------- 12.102 --- 12.080 ------- 12.191 ----- 11.814
    mph ------ 117.12 --- 118.06 ------- 118.20 ----- 121.35


    NA times

    distance --- stock --- cutout --- cutout colder --- Bassani
    60ft ------- 2.033 ---- 2.073 ------- 2.031-------- 2.044
    330ft ------ 5.788 ---- 5.822 ------- 5.759 ------- 5.723
    1/8 -------- 8.808 ---- 8.833 ------- 8.729 ------- 8.656
    mph ------- 82.33 ---- 82.55 ------- 83.70 ------- 84.27
    1000ft ---- 11.404 ---- blank ------ 11.278 ------ 11.196
    1/4 ------- 13.606 --- 13.636 ----- 13.449 ------- 13.345
    mph ------ 101.66 ---- 101.58 ----- 104.05 ------ 105.15

  8. #8
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    2002 Pontiac WS6

    Quote Originally Posted by Bandit1
    hey everyone does anyone have the gmmg cat back
    I put one on this past summer and plan on this coming summer doing headers, high flow cats, new Ypipe, and maybe even a cutout although I hate cutting up the GMMG. If I do the cutout then I'm going to put the QTP motorized cutout on there. I don't want to be crawling under the car.

    And yes, I love the GMMG catback sound. Worth every penny. They run a group purchase every once in a while so be on the lookout.

  9. #9
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    2002 Pontiac WS6

    Quote Originally Posted by Bandit1
    hey everyone does anyone have the gmmg cat back
    I put one on this past summer and plan on this coming summer doing headers, high flow cats, new Ypipe, and maybe even a cutout although I hate cutting up the GMMG. If I do the cutout then I'm going to put the QTP motorized cutout on there. I don't want to be crawling under the car.

    And yes, I love the GMMG catback sound. Worth every penny. They run a group purchase every once in a while so be on the lookout.

  10. #10
    Member Bandit1's Avatar
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    black
    2002 TA WS7

    well i have the gmmg on my ta and i cant get it to stop rattleing on the heat sheilds and body panneling everythng is all tightend up what should i do any suggestions i love the exhaust sounds awsome

  11. #11
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    Red
    2000 SS

    you really can't beat a cut out for pure power


    I put a cut-out on my 98 SS and it was all sound... zero mph, zero ET improvement... I tested it open and closed on the same day at the track...



    I suggest headers and a y pipe..... the stock muffler is not robbing that much, at least on the SS.

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