Specs for Sweet Thunder
Specs for Sweet Thunder I have a LM on my 98 TA....what exactly are the specs for a weld in Sweet Thunder Muffler to go in place of the resonator? I am assuming 18" long, 3" in and out...just a little guidance please 
Originally Posted by AbsolutHank
I have a LM on my 98 TA....what exactly are the specs for a weld in Sweet Thunder Muffler to go in place of the resonator? I am assuming 18" long, 3" in and out...just a little guidance please
The 18" muffler is 24" total. The 3" has a 3" inlet/outlet, but it has a 2.5" core.
In all honesty, the Sweet Thunder isn't the best option for replacing the resonator. I would look into a Borla XR-1 ( 40085 ).
Well, other than a few bolt on's, the car is stock and will stay that way....what I care most about is the sound, not the 3 hp going back down to 2.5" might give up. I bought the car with the LM already installed, and its just obnoxious as hell...not to mention it sounds like a giant fart cannon borrowed from a Honda....i want something with a mean sound, not necessarily loud with alot of rasp and popping back like the LM...thanks again
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TECH Regular
Joined: Nov 2004
Posts: 461
Likes: 0
From: Corvallis, Or
What I was going to look into for my LM was a 1 chamber 3.5 inch in/out flowmaster. The pipe on the LM is 3 inch but the resonator goes to 3.5 inch I believe. I have never heard this setup but think it would refine the sound just enough without making it too quiet.
Here are the muffler specs:
Part #: 389-9435109
In/Out: 3-1/2''
Body: 6-1/4''
Chambers: 1
Here are the muffler specs:
Part #: 389-9435109
In/Out: 3-1/2''
Body: 6-1/4''
Chambers: 1
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Here are the muffler specs:
Part #: 389-9435109
In/Out: 3-1/2''
Body: 6-1/4''
Chambers: 1
Part #: 389-9435109
In/Out: 3-1/2''
Body: 6-1/4''
Chambers: 1
FWIW, the LM resonator swells to a 4" diameter I think. I'll have to measure it. I've toyed with the idea of adding a sweet thunder I've got laying around into my current setup, but don't want to lose the horsies up top. Planning on a cam soon too, so I don't want to choke it up.
Teching In
Joined: Apr 2005
Posts: 32
Likes: 0
From: Home of the Hawks
I put a 3" sweet thunder in the I-pipe of my Z and the sound is great, over the stock muffler that is. I wasn't really all that worried about any loss in power either. It was pretty much to wake to exhaust up for now. When I get my headers next year I'll be going to true duel over the axle anyhow.
http://www.sweet-thunder.com/chamber....html#aluminum
If you don't find the info you need then you can e-mail them and they are quick to respond..
Kevin
If you don't find the info you need then you can e-mail them and they are quick to respond..
Kevin
Last edited by silver02Z; Jun 9, 2005 at 10:07 AM. Reason: info change
TECH Regular
Joined: Nov 2004
Posts: 461
Likes: 0
From: Corvallis, Or
Originally Posted by kpowr82
Did you see the width on that bad boy? 10.25" not gonna fit my friend. Not without some modifications anyhow.
FWIW, the LM resonator swells to a 4" diameter I think. I'll have to measure it. I've toyed with the idea of adding a sweet thunder I've got laying around into my current setup, but don't want to lose the horsies up top. Planning on a cam soon too, so I don't want to choke it up.
FWIW, the LM resonator swells to a 4" diameter I think. I'll have to measure it. I've toyed with the idea of adding a sweet thunder I've got laying around into my current setup, but don't want to lose the horsies up top. Planning on a cam soon too, so I don't want to choke it up.
https://ls1tech.com/forums/showthrea...ed+before+axle
That link doesn't work. I wanna check those pics out though. I'd like to refine the sound of my Hooker and ORY a little bit. Think you could check out that link and fix it real quick?
TECH Regular
Joined: Nov 2004
Posts: 461
Likes: 0
From: Corvallis, Or
O.K. try this one.
https://ls1tech.com/forums/generation-iii-external-engine/274298-ypipe-single-muffler-dumped-before-axle.html
It's a custom setup but I think it could still be doable on a LM by an exhaust shop. I think the one used here is a 2 chamber.
https://ls1tech.com/forums/generation-iii-external-engine/274298-ypipe-single-muffler-dumped-before-axle.html
It's a custom setup but I think it could still be doable on a LM by an exhaust shop. I think the one used here is a 2 chamber.
