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-   -   Who makes high quality and quiet universal mufflers? (http://forum.e46fanatics.com/showthread.php?t=897606)

mkodama 01-16-2012 08:40 PM

Who makes high quality and quiet universal mufflers?
 
Who makes the quietest, low-restriction mufflers, with top notch quality in universal sizes? What's your preference and why?

lab rat 01-17-2012 02:04 AM

Vibrant. I love the sound of their street version mufflers. The race version sounds ok too but too loud for me.
Inexpensive and good quality.

HyeWarrior 01-17-2012 02:24 AM

Quote:

Originally Posted by lab rat (Post 13986847)
Vibrant. I love the sound of their street version mufflers. The race version sounds ok too but too loud for me.
Inexpensive and good quality.

link? Curious to see/hear

Jim Murphy 01-18-2012 10:24 AM

Magnaflow. I went whole hog and installed a cat back single stainless steel 3" exhaust with Y pipe, 2 inline mufflers and oval tip - high flow, quiet and cheap - less than $1K total.

Jim

mkodama 01-18-2012 03:20 PM

Quote:

Originally Posted by lab rat (Post 13986847)
Vibrant. I love the sound of their street version mufflers. The race version sounds ok too but too loud for me.
Inexpensive and good quality.

I was looking for something a little quieter than Vibrant since they use simple straight through glasspack designs. I previously had some that I ended up selling to Aggie46. I will admit the fit and finish on them was great. I am not particularly confident in their long term quality when they charge so little and when I find flaws inside the metal of their exhaust flanges.

lab rat 01-18-2012 03:44 PM

Two of my friends had them for 5 years, 120K miles each. It would last forever in California weather :)

TiAg2247 01-18-2012 06:54 PM

Quote:

Originally Posted by Jim Murphy (Post 13991886)
Magnaflow. I went whole hog and installed a cat back single stainless steel 3" exhaust with Y pipe, 2 inline mufflers and oval tip - high flow, quiet and cheap - less than $1K total.

Jim

What model mufflers did you put in there? Any clips?

I'm looking to make the most subtle increase in sound possible. The usual route of 14815 is too loud for my liking.

mkodama 01-18-2012 08:50 PM

Does anybody know anything about Flowmaster mufflers and how they compare quality and sound wise to others? I'm really impressed at how their dBX line of mufflers keep a Subaru relatively quiet with just one small muffler connected to a straight pipe.

http://www.youtube.com/watch?v=TiJKlMwpCBk

Quote:

Originally Posted by lab rat (Post 13993071)
Two of my friends had them for 5 years, 120K miles each. It would last forever in California weather :)

5 years in vancouver? That's pretty impressive. Thanks for the info!

TiAg2247 01-19-2012 01:02 AM

Interested in the posts here. I, too, am looking for a very subtle increase in sound over stock. I find the Magnaflow and most other setups are far too loud. Looking for something that sounds as loud as a stock 335i at WOT.

edit: http://www.youtube.com/watch?v=TAjN2mC-Xmg This is PERFECT!

murph1379 01-19-2012 09:32 AM

My custom 3" setup is one flowmaster in the middle, with a Borla Pro XS at the end. With both mufflers, it's nearly stock quiet. I remove the Borla for competition partly because I lose ~ 8 lbs, but also partly because the Borla reduces down to 2.5" internally. With just the single Flowmaster (and stock catted headers) it maxes out around 86 db @ 100 ft, still streetable if I really want to, but I don't. I'm guessing two Flowmasters or one Flowmaster and one Magnaflow might do well.

I'm sure it would be even quieter with two Borlas in there, but 3" is already less than dual 2.25", I don't really want it restricted, no matter what claims Borla makes about it flowing just fine.

ThatGuy_JZ 01-21-2012 11:35 PM

I'm very happy with the Vibrant on my car, with the rest of the OEM exhaust its very comfortable in the cabin. I've posted vids on here and youtube... search e46 vibrant and you should find some soundclips. Had it for 2 years and still great.

ZeroSum 01-22-2012 12:28 PM

Supersprint - a noticable noise increase over stock when making progress and zero drone when cruising (thanks to its helmholtz chamber design).

Jim Murphy 02-02-2012 10:29 AM

My 3" catback single stainless Maganaflow exhaust is cheap and quiet:

http://forum.e46fanatics.com/showthr...=880013&page=3

It passed the most important test - my wife approves!!

Jim

mkodama 02-02-2012 05:14 PM

Quote:

Originally Posted by Jim Murphy (Post 14044236)
My 3" catback single stainless Maganaflow exhaust is cheap and quiet:

http://forum.e46fanatics.com/showthr...=880013&page=3

It passed the most important test - my wife approves!!

Jim

Have any videos? Or info about what type of Magnaflow?

Gheybe 02-02-2012 05:31 PM

I need a muffler.

Jim Murphy 02-03-2012 09:25 AM

Quote:

Originally Posted by Gheybe (Post 14045891)
I need a muffler.

Magnaflow. You can click on my link above and look at what I used for behind the axle. Or you can measure the space (length, width & thickness) and determine what diameter inlet/outlet you want and go to Summit and buy one for about $100 + ship. I strongly recommend an offset one as they are quieter than a straight-thru.

HTH,
Jim

mkodama 02-03-2012 03:18 PM

Magnaflow are pretty ugly in terms of finish and the straight-through glasspack design isn't particularly great for quiet.

Gheybe 02-03-2012 03:20 PM

Quote:

Originally Posted by mkodama (Post 14049302)
Magnaflow are pretty ugly in terms of finish and the straight-through glasspack design isn't particularly great for quiet.

Quote:

Originally Posted by Jim Murphy (Post 14048148)
Magnaflow. You can click on my link above and look at what I used for behind the axle. Or you can measure the space (length, width & thickness) and determine what diameter inlet/outlet you want and go to Summit and buy one for about $100 + ship. I strongly recommend an offset one as they are quieter than a straight-thru.

HTH,
Jim

That's the reason I don't want one.

My car is like.. absurdly loud. I wanna quiet it down.

murph1379 02-03-2012 03:27 PM

100 cell race cats will help, without hurting power much, and without too much weight.

TiAg2247 02-03-2012 03:46 PM

Quote:

Originally Posted by ThatGuy_JZ (Post 14003994)
I'm very happy with the Vibrant on my car, with the rest of the OEM exhaust its very comfortable in the cabin. I've posted vids on here and youtube... search e46 vibrant and you should find some soundclips. Had it for 2 years and still great.

I did a search on YouTube for this member's videos. This setup sounds the best so far. VERY subtle.


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