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Bolt on duals?

This is a discussion on Bolt on duals? within the External Engine forums, part of the LSx Technical Help Section category; Where can I get a set of mandrel (or mandrell, I've seen it spelled both ways) bent bolt on duals? ...

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    Member jag42420's Avatar
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    Bolt on duals?

    Where can I get a set of mandrel (or mandrell, I've seen it spelled both ways) bent bolt on duals? Has anyone ordered or used these before? All of our local exhaust shops bend the pipes the old way, reducing internal pipe size.

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    Life in the Fast lane sunsetorangess's Avatar
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    I dont think they make a kit for duals out the rear but you can pick up a set of duals that dump befor the axle as a kit.
    Check out one of our sponsers.
    J
    2001 SS, Its not the car its the Driver that matters....

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    Member jag42420's Avatar
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    Do the side exits resonate loudly in the interior?

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    Life in the Fast lane sunsetorangess's Avatar
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    Most of them just dump straight under the the car like under the back seatish. From the ones i have heard from the outside they sound great but when your goin down the free way the drone is pretty bad. But i allways say the louder the better so it depends on what your looking for.
    Cutout might also be an option for ya.
    might find some clips on Ls1sounds.com
    J

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    Likes twisty roads bene's Avatar
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    Bassani makes TD out all the way to the back. Stainless or aluminized.

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    Quote Originally Posted by jag42420 View Post
    Where can I get a set of mandrel (or mandrell, I've seen it spelled both ways) bent bolt on duals? Has anyone ordered or used these before? All of our local exhaust shops bend the pipes the old way, reducing internal pipe size.
    how about BASSANI.?? [ and it IS spelled " MANDREL " ]
    Last edited by NHRAMAN; 09-18-2006 at 12:34 PM.
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    Member jag42420's Avatar
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    Who sells them?

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    Likes twisty roads bene's Avatar
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    Quote Originally Posted by jag42420 View Post
    Who sells them?
    Vinci sells them and LPE? OR LME? I have bassani. It is bolt on from our exhaust manifold all the way to the back of the car. This TD sounds awesome w/ longtubes.

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    The Bandit Wesman's Avatar
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    Quote Originally Posted by bene View Post
    Vinci sells them and LPE? OR LME? I have bassani. It is bolt on from our exhaust manifold all the way to the back of the car. This TD sounds awesome w/ longtubes.
    Nice. If I ever change my exhaust, Bassani TD is definitely the way to go

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    Member jag42420's Avatar
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    Do you have a sound clip?

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    2001 SS

    Summit sells them.

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    Member jag42420's Avatar
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    I found these Bassani pics http://www.ls1sounds.com/pics_tips.htm#Bassani
    and these Bassani sound clips http://www.ls1sounds.com/bassani.htm . The sound clips all say stock header. Did you use aftermarket headers with them, or the stock manifolds? If you used aftermarket headers, did you have to modify the Bassanis?

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    Likes twisty roads bene's Avatar
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    Quote Originally Posted by jag42420 View Post
    Do you have a sound clip?
    I have the sound clip w/ just exhaust manifold and longtubes. Let me dig them up.

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    Likes twisty roads bene's Avatar
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    Quote Originally Posted by bene View Post
    I have the sound clip w/ just exhaust manifold and longtubes. Let me dig them up.
    Here is one w/ my longtubes/bassani true duals.



    Here is one w/ stock manifolds.
    Click here to see Video

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    Likes twisty roads bene's Avatar
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    Quote Originally Posted by jag42420 View Post
    . The sound clips all say stock header. Did you use aftermarket headers with them, or the stock manifolds? If you used aftermarket headers, did you have to modify the Bassanis?
    Not much modification... Any muffler shop should able to do it. What my muffler shop did was cut the original flange that bolts to the exhaust manifold and weld a new one and extend/cut some pipe to mate it w/ the longtubes. If you don't want to use the flange, you can cut it off and do a band clamp connection to the longtubes.

    Here are some pictures. The first one the guy at the muffler shop tried to do the band clamps but it didn't quite sealed and leaked.


    Second picture, the pipe came up short to my longtubes so he extended it w/ another stainless pipe, welded flanges and voila.


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    Member jag42420's Avatar
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    Sounds good. So I assume since you had both sound clips, that you did the duals first then added headers later? Did you notice a significant power gain with each?

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    bene, so how did you end up connecting your duals to your headers? Thanks

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    Quote Originally Posted by toofazt View Post
    bene, so how did you end up connecting your duals to your headers? Thanks
    The muffler shop welded flanges on longtubes and TDs.

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    Quote Originally Posted by jag42420 View Post
    Sounds good. So I assume since you had both sound clips, that you did the duals first then added headers later? Did you notice a significant power gain with each?

    Yeah, did the duals first, woke the car up and the longtubes a few months later. It gave it more the duals more character (more umph down low all the way to the top). And yes it hauls ass.

    You thought the headers/TDs sounded good? That was with misfires (3 cracked plugs) It sounds waaaay better now.

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    Member jag42420's Avatar
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    I spoke to my exhaust guy today. $140 to run 2.5" true duals, with me providing the mufflers. He said he can't take them over the axle though, because he couldn't guarantee them not hitting anything. So for $290 ($140 pipes/labor + $150 Flowmaster Deltas) I can have true duals under the axle. I guess they'd have better flow under axle. Anyway, that's less than a catback system and he said there's plenty of ground clearance. Opinions?

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