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Dumped off the y

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Old 02-05-2011, 01:28 PM
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i notice alot of people in this thread complaining about rasp with a y. Most of that is causeb by off the shelf y-pipes with shitty merges. A good merge will kill basically all rasp. My y with 3"in/4" out flowmaster mege IS NOT RASPY. But it is very loud and drone was horrible cruising down the highwy but that comes with any dumped exhaust, duals or a y
Old 02-05-2011, 01:40 PM
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Maybe if the FM merge was available in stainless I would consider it -- what's the stainless steel alternative?

Originally Posted by blk99sleekbeak
i notice alot of people in this thread complaining about rasp with a y. Most of that is causeb by off the shelf y-pipes with shitty merges. A good merge will kill basically all rasp. My y with 3"in/4" out flowmaster mege IS NOT RASPY. But it is very loud and drone was horrible cruising down the highwy but that comes with any dumped exhaust, duals or a y
Old 02-05-2011, 01:42 PM
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The dumped y is alot louder than a cutout?
Old 02-05-2011, 01:48 PM
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i would think it would depend on the loction of the cutout?
Old 02-05-2011, 10:07 PM
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I just sold my SLP LM this week. Got my Borla bullet in the mail today. I ordered it BEFORE I planned on selling the LM. I was going to convert it to the BorlaMouth, didn't happen.

I popped the Borla on the end of my stock Y-Pipe tonight. It sounded better than the LM and it wasn't tightened down or anything. In the morning I'm buying 2 clamps and a small turndown. This will hold me over until I decide on Headers/TD's. Can't beat it for about 120 bucks total and removing over 25 pounds from the car.
Old 02-05-2011, 10:23 PM
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I have a cutout right after the y ( 3.5 inch ) I'll post something tomorrow if I remember. Cars stock except for headers.
Old 02-05-2011, 10:41 PM
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I currently have my exhaust dumped off the y pipe and really do not like it. I'm going back to a full exhaust but with ARH ory and TSP rumbler 3" catback.
Old 02-06-2011, 05:26 PM
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Originally Posted by Mike 02T/A
I just sold my SLP LM this week. Got my Borla bullet in the mail today. I ordered it BEFORE I planned on selling the LM. I was going to convert it to the BorlaMouth, didn't happen.

I popped the Borla on the end of my stock Y-Pipe tonight. It sounded better than the LM and it wasn't tightened down or anything. In the morning I'm buying 2 clamps and a small turndown. This will hold me over until I decide on Headers/TD's. Can't beat it for about 120 bucks total and removing over 25 pounds from the car.
Bolted the Borla up this evening, instead of having it just hanging there. So, I was able to drive it around the block.

I can honestly say a Borla straight off the Y-pipe sounds better than my SLP LM. The LM was all the way out the back, Borla doesn't even have the turndown yet! I might hold off on the TD's for awhile and give this a try
Old 02-06-2011, 08:15 PM
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any sound clips?
Old 02-06-2011, 09:05 PM
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I wouldnt mess with a dumped y unless i was doing 4" out. Im no physics expert but it seems like 2, 3" pipes slamming into 1, 3" pipe would not flow very well which is why i went with a 4" out merge
Old 02-07-2011, 09:06 AM
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Kooks LT, Speed Inc Y with 3'' to 4'' Flowmaster merge with dynomax 4'' Bullet dumped

http://www.youtube.com/watch?v=_gDXhCl__iE
Old 02-07-2011, 10:53 AM
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Originally Posted by The Mighty Texan
The dumped y is alot louder than a cutout?
yes...
Old 02-07-2011, 12:54 PM
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Originally Posted by gocartone
Why wouldn't you do a dumped dual setup? Sound a HELL of a lot better than a dumped Y will, and flow better. You don't need to buy the kit for them either, all they are are straight pipes with mufflers and turn downs.
I don't no about anybody else, but I would say ground clearance!
I'd love to do a nice dumped True Dual exhaust, if I wouldn't lose any ground clearance!
Old 02-07-2011, 12:59 PM
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Originally Posted by dkbmxer002
yes...
There's just too many variables to say a dumped Y is clearly louder than a Cut-out.
Old 02-07-2011, 01:00 PM
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Originally Posted by blk99sleekbeak
I wouldnt mess with a dumped y unless i was doing 4" out. Im no physics expert but it seems like 2, 3" pipes slamming into 1, 3" pipe would not flow very well which is why i went with a 4" out merge
Thats the way to do it
Old 02-07-2011, 01:00 PM
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with a cutout air is still going to flow through to the exhaust, it will not go 100% through the cutout..

having personally owned both a cutout setup and an open y the open y was WAY louder.
Old 02-07-2011, 01:03 PM
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Originally Posted by SmokedOutZ28
Kooks LT, Speed Inc Y with 3'' to 4'' Flowmaster merge with dynomax 4'' Bullet dumped

http://www.youtube.com/watch?v=_gDXhCl__iE
I wanna hear that goin down the 1/4. Sounds beastly
Old 02-07-2011, 08:49 PM
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hmmm, this is interesting. I'm thinking about doing this, but i need to do my homework on it. Is anyone running long tubes and cats with their dumped y?

EDIT: nevermind about the LT's and cats question, i did a little searching and found that TSP makes a catted y pipe

Last edited by Michael Crisp; 02-07-2011 at 10:38 PM.
Old 02-07-2011, 09:58 PM
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Lightbulb

That is conditional on WHICH electric diverter is used -- there is NO flow through the exhaust with the No Weeds Diverter, due to it's DOUBLE BUTTERFLY valves -- some say that means it's "over-engineered".



I have seen and heard a dual diverter setup on the 2010 Camaro at Nickey Chicago -- so sweet.


Originally Posted by dkbmxer002
with a cutout air is still going to flow through to the exhaust, it will not go 100% through the cutout.
Old 02-08-2011, 01:11 AM
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Originally Posted by dkbmxer002
with a cutout air is still going to flow through to the exhaust, it will not go 100% through the cutout..

having personally owned both a cutout setup and an open y the open y was WAY louder.
Ahh, yeah i didnt mean just an open y i know that **** would be loud


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