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how to get rid of the ''muscle car'' sound

This is a discussion on how to get rid of the ''muscle car'' sound within the External Engine forums, part of the LSx Technical Help Section category; Opinions are fine, but let's leave the sarcasm out....

  1. #21
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    Opinions are fine, but let's leave the sarcasm out.

  2. #22
    Moderator Firebirdjones's Avatar
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    The vette sounds okay, but the guy driving is a bit of an idiot. Doing that crap around a parked car of mine would be the beginning of an ass kicking.

    For what it's worth, the Corsa systems on LS1 cars (in particular the GTO's with real duals) give a similar sound without buying 180 degree headers.

    But the key factor here is you are listening to a car that has a true dual exhaust system. You are going to be hard pressed to get that sound while trying to squeeze it all through a Y-pipe and a single pipe on a 4th gen, just not going to happen.
    That's also why you get rasp in these 4th gens. That is unless you choke the system down with cats, but that's just a bandaid for the real issue.

    For me, growing up through the 60's, the muscle car sound is where it's at, and it's part of American culture. Guess you had to be there.

  3. #23
    Moderator Cutlass's Avatar
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    OP, sounds like you want a Overhead Cam sound out of a Overhead Valve engine. Its gonna be difficult. I want my LS1 to sound like an old SBC or BBC muscle car. That also a little difficult. The LS1 has a certain sound to it. And its mostly due to the firing order and head design, both of which are performance improvements over the old SBC.
    IMHO the best sound comes from a LS based engine with dual exhaust, but not every dual exhaust LS sounds awesome. I've heard a few trucks and Vettes that didn't sound too great.

  4. #24
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by Cutlass View Post
    IMHO the best sound comes from a LS based engine with dual exhaust, but not every dual exhaust LS sounds awesome. I've heard a few trucks and Vettes that didn't sound too great.
    And that is the key I was trying to point out. A well built dual system is the best starting point. You can change the sound characteristics with mufflers, cross over pipes (H verses X), pipe diameters, etc...

    You don't have much wiggle room however when you are dealing with a single exhaust system.

  5. #25
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    OP, check Kooks' website as they have a true-dual setup for 4th gen F-bodies. It's pricey, but looks very nice. There are even clips on YouTube of various F-bodies, and, to me, they sound pretty cool.

  6. #26
    Moderator Firebirdjones's Avatar
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    Yes, and Bassani also sells a true dual setup, and it's much cheaper.

  7. #27
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    A single cam engine will never sound like a DOHC...

    It's just not possible on 2 valve heads...

    If you want it to be much quieter you could look into a luxury car muffler..

    Such as what comes on large quiet land yachts..

    @ some point tho it may become too quiet and then the sounds of the mechanicals of the engine will be heard..

    Ever hear an industrial sewing machine @ full blast?

    I did'nt read all the posts so don't shoot meh...
    Last edited by Smittro; 10-09-2011 at 03:27 PM.

  8. #28
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    lone cam SBC..


    DOHC GEN-1 ZR1


    DOHC is music, 2-valve is not.. Though I like both sounds..

  9. #29
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    that corvette with the 180 degree headers is probably as close as you're gonna get to that euro sound. That route is also extremely expensive. IMO if my car sounded like that, I'd never beable to drive it. I personally hate the way most euro performance cars sound, which is why I bought an LS1. You can't make an LS1 sound like a modular engine, period. The closest you're ever gonna get is with true duals. IMO a sound like you want wouldn't sound right coming out of a fbody.

  10. #30
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    those mercedes videos made me go...."aww, thats cute"


    can someone please explain to me what 180* headers are? new term to me

  11. #31
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by Smittro View Post
    lone cam SBC..


    DOHC GEN-1 ZR1


    DOHC is music, 2-valve is not.. Though I like both sounds..
    Eh, I don't know what you are hearing Smittro, but that ZR1 on the dyno sounds like any other single over head cam V8 to me. If you want to hear different, listen to the vette posted earlier with 180 degree headers.

  12. #32
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    We had "180 degree" headers on our circle track car. The driver side exhaust crossed over top of the transmission and met the passenger side exhaust before exiting. Meaning, it started out going to the left side of the car, and then did a "180" and crossed over to the right.

  13. #33
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    Quote Originally Posted by pajeff02 View Post
    We had "180 degree" headers on our circle track car. The driver side exhaust crossed over top of the transmission and met the passenger side exhaust before exiting. Meaning, it started out going to the left side of the car, and then did a "180" and crossed over to the right.
    So to sum it up, the underside of a car with 180 degree headers will look like spiderman came all over it.......except with pipes instead of webs.
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  14. #34
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    Wow! That is an insane setup. Nothing like what we had on the race car as they are combining cylinders from each side of the engine into one exhaust stream. Ours simply crossed over to get to the other side of the car without running under the driver's feet.

  15. #35
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    Searched a little and found this picture. I also had not heard of 180* headers


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  16. #36
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    Whoops. Looks like we ran across the same picture at the same time. Sorry about that lol

  17. #37
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    Quote Originally Posted by wenn_du_weinst View Post
    I do like magnaflow a lot but I like how it sounds with long tubes and cats and I think that will be to quiet. Isn't that what slowass had?
    That car had Magnaflow mufflers....but not their catback.
    True duals with no cats into those 5x8 Magnaflows. It was very tame for duals. Many said it sounded like nothing more than a catback only car driving down the street. Until you heard the idle.

    What you want you will NOT get from an LSx.
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  18. #38
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    +1 Mr. Luos. It isn't possible unless you do those headers. I was at a circut track once with a friend when I heard a c6z06 with 180 degree headers blast down a straight. Sounded nothing like what a lsx should sound like, from far away just based on sound I thought it was a ferrari or lambo.

  19. #39
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    to build those headers would take one talented mofo

  20. #40
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    Quote Originally Posted by Spikito View Post
    to build those headers would take one talented mofo
    And one deep wallet! We have ground clearance issues with some headers on our cars as is.. I dont see how they could be ran like this on an f body without a lift kit. Lol

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