true dual exaust front to rear
- Thread starter moobypets
- Start date
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It will only be for sound, and probably be worse performing due to design compromises made to accommodate two pipes where there's room for one. Not to mention heavier.
A quality single exhaust is best. That equal length setup that one guy did that sounds awesome is a 2 into 1 deal.
A quality single exhaust is best. That equal length setup that one guy did that sounds awesome is a 2 into 1 deal.
well in ill maybe go with 2 inch or 1 3/4 since the original his 2.25 1/38 would be more then enought for 3 cyl and would make some back pressure
or ill maybe just have a replacement y pipe made with straight piping to remove the big bowl that where my previous cat ?
or ill maybe just have a replacement y pipe made with straight piping to remove the big bowl that where my previous cat ?
i hope so maybe ill have a custom y pipe made without any bend and in the back ill have the dual setup again cuz now im running the old 3.8 exaust cuz the sho one was in bad bad shape
or could i go with a single pipe just a thad bigger then the original an djust have it with one side in the end man do i need input on that subject
or could i go with a single pipe just a thad bigger then the original an djust have it with one side in the end man do i need input on that subject
SuperHO
Mental Patient
i'm runnin 2.5" single pipe from the y-pipe rearward, and when i switched from a stock cat-back to that, low end grunt was much more noticeable. i doubt i'll ever run duals again, not to mention the 30ish lbs weight savings on the ass end of the car.
What did you use for the single muffler?
I am assembling a 2.75 inch mid-pipe & resonator, after that it will drop to 2.5
frosho
WOLFMAN
You might want to do some reading on exhaust theory. You don't want back pressure (i.e. a restriction). You want high exhaust gas velocity with a minimal pressure drop.
on an NA car(no turbo) you want some backpressure. how much is highly dependant on hundreds of variables so each car is unique. having a moderate ammount of backpressure helps in cylinder scavenging and therefor velocity.
on a turbo car you can get away with zero backpressure with no ill effects.
SuperHO
Mental Patient
mine's running a flowmaster 40 series...sounds like shit, but all V6 SHOs sound like shit to me.
frosho
WOLFMAN
Pressure is a side effect of raising velocity. It's the velocity that helps with scavenging, not the back pressure. To fully take advantage of scavenging, you need to find a good balance between velocity and pressure.
Mr Anonymous
Tire Wall
True duals for sound is a really, really bad idea.
Unless you want your car to sound like shit. Or a chainsaw, or a snowmobile, or a swarm of bees.
Unless you want your car to sound like shit. Or a chainsaw, or a snowmobile, or a swarm of bees.
SHOracer14
Me-0 Diffs-6
I'm with this guy. I know of a certain green 92' that had true duals and it seriously sounded like a cow dying or giving birth, one of the two.
SHOhopefull
SHO Member
I think Jeremy had a vid of my car back when he first got it, it was true duals IIRC...
[YOUTUBE]__4F2Gs4b_c[/YOUTUBE]
And as they are now...
[YOUTUBE]QVxPi9gyIKs[/YOUTUBE]
Red one has a Dynomax catback with stock ypipe
[YOUTUBE]__4F2Gs4b_c[/YOUTUBE]
And as they are now...
[YOUTUBE]QVxPi9gyIKs[/YOUTUBE]
Red one has a Dynomax catback with stock ypipe
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gmail
Well-Known Member
my god that sounds bad...
was it just straight pipes?
was it just straight pipes?
FWIW, the Windstar I built has pseudo-true-duals and sounded pretty good, no rasp and nice and throaty. Way too loud for the street though.
Catless of course, each manifold went back to a dual inlet/dual outlet muffler, and dual tailpipes. The advantage of the dual inlet/dual outlet is that it acts like an X/H pipe, and you don't need two seperate mufflers, so it's lighter as well. I think it had a Flowmaster 44 series.
Catless of course, each manifold went back to a dual inlet/dual outlet muffler, and dual tailpipes. The advantage of the dual inlet/dual outlet is that it acts like an X/H pipe, and you don't need two seperate mufflers, so it's lighter as well. I think it had a Flowmaster 44 series.
lowc
aka vapah lock
i run a catless y with dynomax back to two flowmasters 44's and am planning on putting in the 18" magnaflow resinator. after I put the magna in I think it will sound pretty good, well atleast it'll **** some of that damm rasp.
If you were to go with a single setup I would go with atleast a 2.5" pipe.
Shohopefull.. that first vid sent chills down my spine, kinda like nails on a chalkboard chills.
If you were to go with a single setup I would go with atleast a 2.5" pipe.
Shohopefull.. that first vid sent chills down my spine, kinda like nails on a chalkboard chills.
SHOhopefull
SHO Member
LOL... yeah, Jeremy did us all a favor by junking it.
SHOracer14
Me-0 Diffs-6
Also, don;t forget it seems as though the SHO is very finicky about exhaust changes (on an NA setup). Too much flow equals a major torque loss down low. Best thing you can do is a y-pipe and some nice mufflers. I also ran a hug cherry bomb muffler as a resonator on one of my cars and that cured alot of rasp concerns if you run catless.
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