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Who's got the quietest best flowing exhaust?

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Old 04-22-2008, 06:02 PM
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Default Who's got the quietest best flowing exhaust?

I'm contemplating putting two more Magnaflow mufflers on my car and I got thinking about this, who has a really quiet, but at the same time great flowing exhaust?

Mine should fit the bill, Ive got 3" pipe coming off the Lt's into a Flowmaster 3.5" merge, 3.5" midsection and over axle with two Magnaflow race series in the stock location, then about a foot of pipe and a turndown.

It's pretty quiet the way it is right now considering the MS4, LTs and no cats, but i'm thinking of putting two more mufflers in it just to be rid of all headache. Im thinking about doing two more right after the headers. Theyre straight through so I wont see any losses in power.

I think i'll have one of the quietest LTs, ORY, MS4 car out there with a straight through exhaust

Does anyone have a four muffler setup like this? I doubt it.. lol
Old 04-22-2008, 06:08 PM
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Will check out BS mufflers, smallest highest flowing mufflers on the market.

I was talking to ryne about them for his car.
Old 04-22-2008, 07:53 PM
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DO you have any pics of that setup? The 3.5 is singal, whitch was in the mufflars facing
Old 04-22-2008, 07:55 PM
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SLP dual dual is really quiet and flows pretty well (I'm not sure if it's made anymore though?). Hooker is also a pretty quiet, well flowing exhaust.
Old 04-22-2008, 08:04 PM
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Originally Posted by Juiced
Will check out BS mufflers, smallest highest flowing mufflers on the market.

I was talking to ryne about them for his car.
BullShit mufflers
J/K Man


20NBMWS6 Do you have some pics of your setup???
Old 04-22-2008, 08:13 PM
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I'll get some pics up for you guys tonight.
Old 04-22-2008, 08:30 PM
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I have a Borla adjustable with QTP electric cutoff...best of both worlds. Quiet or loud depending on how I feel!!
Old 04-22-2008, 08:38 PM
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Super Turbo
Old 04-22-2008, 09:50 PM
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http://store.summitracing.com/partde...5&autoview=sku

this one is suppose to flow 1100cfm

and Deeavi, how do you like your super turbo? does it sound good?
Old 04-23-2008, 12:39 AM
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hooket maximum flows! i have a dyno list let me see if i can find it where they did the shootout. i know they were the most quiet at idle and 2k rpms but were also the second loudest at wot. and they also out flow bullets. it sounds too good to be true alsmost. But i have heard they do not sound the best.
Old 04-23-2008, 12:47 AM
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here it is, hope this helps

http://www.carforums.net/showthread.php?t=51203
Old 04-23-2008, 12:47 AM
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i might sell my dual dual
Old 04-23-2008, 05:59 AM
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Originally Posted by mean_greenZ
http://store.summitracing.com/partde...5&autoview=sku

this one is suppose to flow 1100cfm

and Deeavi, how do you like your super turbo? does it sound good?
I like it. I don't have the racing muffler. I may be giving up a little hp, but, but I wanted something that sounded good and was not hard on the ears.
This is what I bought:
http://store.summitracing.com/partde...0&autoview=sku

It Flows 700 CFM. That dynomax muffler you listed actually flows 1400 cfm - listed at the dynomax site. I might have to check that out myself, if it is not too loud.

Last edited by Deeavi; 04-23-2008 at 06:48 AM.
Old 04-23-2008, 07:33 AM
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if you wanted quiet and really stealth you could fab in a stock system (but would be pretty restrictive) from the end of your ory and put in a single 3.5" cutout for the track. my hooker catback is very quiet considering my setup and only loses 6rwhp compared to a single 3" cutout.
Old 04-23-2008, 07:46 AM
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I have mids, and gutted cats flowing into an SLP dual/dual catback. Very quiet. I am going with cutouts once I get my QTP LT's and ORY.
Old 04-23-2008, 09:15 AM
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change the magnaflow muffler for a bigger 3.5" muffler

http://store.summitracing.com/partde...5&autoview=sku

or u could add a 3.5" round bullet muffler in the ipipe.

http://store.summitracing.com/egnsea...splayPrice%7C0
Old 04-23-2008, 09:33 AM
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i have an slp 2otl with the tips cut off....cats...and mac mids with a cam...and its definitely not quiet.
Old 04-23-2008, 09:38 AM
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Originally Posted by studderin
DO you have any pics of that setup? The 3.5 is singal, whitch was in the mufflars facing
omg singal mufflars?



But yeah the Gibson catback I just put on starts off as 3 inch in the I-Pipe going to the muffler.
Old 04-23-2008, 10:17 AM
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Default Quiet program

SLP CME with the aka "quiet program" muffler as it comes with the 345 hp package from slp, although they stop selling the muffler.
you may be able to still find it on this site.
Old 04-24-2008, 01:37 PM
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Here's a couple shitty pics of my exhaust.




Originally Posted by dug
change the magnaflow muffler for a bigger 3.5" muffler

http://store.summitracing.com/partde...5&autoview=sku

or u could add a 3.5" round bullet muffler in the ipipe.

http://store.summitracing.com/egnsea...splayPrice%7C0
That's what I was thinking when I added the second one, and adding the second one definitely quieted it down alot. It's pretty damn quiet now, but i'm still looking to get it a little quieter if possible. The Magnaflows dont cost any power so I'll probably try a bullet type in the i pipe and see what that does for volume


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