Do Moroso Spiral Flows Flow Ok or....
TECH Resident
Joined: Sep 2004
Posts: 797
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From: Clarksville, Tn
If you go to Moroso's web page a look at there pic of the spiral flow mufflers there is still an area that is straight through flow, then on the outside of that is where the chambered area is.
I just bought a pair to quiet my ride down a bit. I have bullets and it is loud. At 3k and above @ WOT I cannot talk to my passenger at all, I have to yell. I need to quiet it down a tad, so I doing Spirals.
I just bought a pair to quiet my ride down a bit. I have bullets and it is loud. At 3k and above @ WOT I cannot talk to my passenger at all, I have to yell. I need to quiet it down a tad, so I doing Spirals.
Originally Posted by 00TAProject
If you go to Moroso's web page a look at there pic of the spiral flow mufflers there is still an area that is straight through flow, then on the outside of that is where the chambered area is.
I just bought a pair to quiet my ride down a bit. I have bullets and it is loud. At 3k and above @ WOT I cannot talk to my passenger at all, I have to yell. I need to quiet it down a tad, so I doing Spirals.
I just bought a pair to quiet my ride down a bit. I have bullets and it is loud. At 3k and above @ WOT I cannot talk to my passenger at all, I have to yell. I need to quiet it down a tad, so I doing Spirals.
TECH Resident
Joined: Sep 2004
Posts: 797
Likes: 0
From: Clarksville, Tn
Originally Posted by LS1C5Vette
Yea I saw that, but it would be nice to know how wide the center pipe is
The thickest part of the muffler should be 4-5 inches round.....Which means you would have about that much area on the inside as well. Pending the size of the "Spiral Flow" chambered area, would be 1-2 inches, leaving that much or more for the straight through section.
So I am thinking the straight through portion would be 1 inch at the least.
I will be home in about amonth to see my own Spiral flow mufflers first hand. They are sitting in a box in the closet waiting for installation. I will see if I can get my wife to pull on out and take a picture shooting into the opening.
Last edited by 00TAProject; May 20, 2007 at 12:58 AM.
Originally Posted by 00TAProject
Now dont hold me to this, this is just my guess(Will know for sure in 34 days)
The thickest part of the muffler should be 4-5 inches round.....Which means you would have about that much area on the inside as well. Pending the size of the "Spiral Flow" chambered area, would be 1-2 inches, leaving that much or more for the straight through section.
So I am thinking the straight through portion would be 1 inch at the least.
I will be home in about amonth to see my own Spiral flow mufflers first hand. They are sitting in a box in the closet waiting for installation. I will see if I can get my wife to pull on out and take a picture shooting into the opening.
The thickest part of the muffler should be 4-5 inches round.....Which means you would have about that much area on the inside as well. Pending the size of the "Spiral Flow" chambered area, would be 1-2 inches, leaving that much or more for the straight through section.
So I am thinking the straight through portion would be 1 inch at the least.
I will be home in about amonth to see my own Spiral flow mufflers first hand. They are sitting in a box in the closet waiting for installation. I will see if I can get my wife to pull on out and take a picture shooting into the opening.
TECH Resident
Joined: Sep 2004
Posts: 797
Likes: 0
From: Clarksville, Tn
Yeah I went back, to the website and seen that. I think the 3.5inch might be a lil bigger in circumference.....Maybe not.
They will flow fairly well regaurdless. I cannot wait to get mine on.
They will flow fairly well regaurdless. I cannot wait to get mine on.
TECH Apprentice
Joined: May 2006
Posts: 305
Likes: 0
I spoke to a Moroso tech about these and he said there's "hardly any backpressure" and it will reduce the sound around 7db. I think HP loss would be minimal with the spirals.
I just ordered a 3" that I'm adding to my current exhaust, it'll be in front of my Hooker Aerochamber. I know it's not a normal set-up, but I moved to Germany and I have to reduce the noise to pass inspection. Hopefully it won't sound dorked-up after I do this.
I just ordered a 3" that I'm adding to my current exhaust, it'll be in front of my Hooker Aerochamber. I know it's not a normal set-up, but I moved to Germany and I have to reduce the noise to pass inspection. Hopefully it won't sound dorked-up after I do this.
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Originally Posted by LS1C5Vette
Well I hope I can squeeze it all in there, if i have to I will just selete the cats and sell them on here but id rather have them to help with the smell
I had dual cut outs before my x-pipe/Spirals and ended up loosing 0 RWHP on the dyno. I picked up a few RWTQ and the overall response of the car picked up. Wouldn't trade them for anything.
Originally Posted by LS1C5Vette
ok cool, so thats before the x-pipe section right?
Originally Posted by bww3588
no after......the xpipe is in the front, put your mufflers in the back before the transmission.
Originally Posted by bww3588
why is your x-pipe so far back? why isint it up right after the headers?
Originally Posted by LS1C5Vette
nope its about 1 ft in front of the over axle pipes right where touque tube mounts to tranny (tranny is in the back)