Exhaust too Loud
12-04-2008, 08:13 AM
#11
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My Ride: 2008 550i Jet Black on Black Leather, SAT with Paddles, Logic 7, Comfort Seats, NAV, Sport Package, PDC, Xenons, Sirius, Trinity 12W LED Angel Eyes, RPi GT Exhaust, M rear spoiler, ACS Roof Spoiler, Tinted Tail Lights, Bimmian Carbon Fiber Pillar Trim, Bimmian Shadow 550i emblem, RPi Scoop, E60 Forum Cling, Mtec bulbs in fog lights, Mtec 2W LED for License Plate Light Bulbs, K&N Filter, Bimmian LED Smoked Side Markers, Blackout roundels, Carbon Fiber Kidney Grills.
Retired Rides - 1989 325i convertible, 1995 M3, 2002 X5, 2005 545i, 2008 X5 (Lemon)
For my B&B muffler I had a cone built to put in-line before the muffler to quiet it down. 
The cone has holes of varying sizes drilled into it (kind of like a strainer) to slow the flow enough to quiet things down without killing the sound TOO much! 
It was built at B&B so I trust the concept and certainly the quality of it! 
Good luck with your decision! 
The cone has holes of varying sizes drilled into it (kind of like a strainer) to slow the flow enough to quiet things down without killing the sound TOO much! It was built at B&B so I trust the concept and certainly the quality of it! Good luck with your decision!
12-13-2008, 11:57 AM
#14
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Ok here is the update:
We added two more resignators as the posts above suggested as well as the factory bmw resignators/x-pipe (from the m5). The car no drown and is loud at 2500 rpm instead of 2000. Still a problem, the drowning is unberable.
The only thing left according to my muffler guy is to change my borla xr-1s to dyna max mufflers which are aluminized which I dont like but he says there is no other option to put something there that will fit.
Any other suggestions?
We added two more resignators as the posts above suggested as well as the factory bmw resignators/x-pipe (from the m5). The car no drown and is loud at 2500 rpm instead of 2000. Still a problem, the drowning is unberable.
The only thing left according to my muffler guy is to change my borla xr-1s to dyna max mufflers which are aluminized which I dont like but he says there is no other option to put something there that will fit.
Any other suggestions?
12-13-2008, 12:25 PM
#15
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Originally Posted by Fxdup5' post='744608' date='Dec 13 2008, 02:57 PM
Ok here is the update:
We added two more resignators as the posts above suggested as well as the factory bmw resignators/x-pipe (from the m5). The car no drown and is loud at 2500 rpm instead of 2000. Still a problem, the drowning is unberable.
The only thing left according to my muffler guy is to change my borla xr-1s to dyna max mufflers which are aluminized which I dont like but he says there is no other option to put something there that will fit.
Any other suggestions?
We added two more resignators as the posts above suggested as well as the factory bmw resignators/x-pipe (from the m5). The car no drown and is loud at 2500 rpm instead of 2000. Still a problem, the drowning is unberable.
The only thing left according to my muffler guy is to change my borla xr-1s to dyna max mufflers which are aluminized which I dont like but he says there is no other option to put something there that will fit.
Any other suggestions?
Maybe just get a different setup as Borla's can be too loud.
12-13-2008, 12:33 PM
#16
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Originally Posted by Fxdup5' post='744608' date='Dec 13 2008, 03:57 PM
Ok here is the update:
We added two more resignators as the posts above suggested as well as the factory bmw resignators/x-pipe (from the m5). The car no drown and is loud at 2500 rpm instead of 2000. Still a problem, the drowning is unberable.
The only thing left according to my muffler guy is to change my borla xr-1s to dyna max mufflers which are aluminized which I dont like but he says there is no other option to put something there that will fit.
Any other suggestions?
We added two more resignators as the posts above suggested as well as the factory bmw resignators/x-pipe (from the m5). The car no drown and is loud at 2500 rpm instead of 2000. Still a problem, the drowning is unberable.
The only thing left according to my muffler guy is to change my borla xr-1s to dyna max mufflers which are aluminized which I dont like but he says there is no other option to put something there that will fit.
Any other suggestions?
12-13-2008, 02:07 PM
#17
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Originally Posted by Fxdup5' post='735974' date='Dec 2 2008, 10:35 AM
My muffler guy says he will need to take out the xr-1s and put in aluminum mufflers. I don't like having aluminum because it wouldn't look right with the complete stainless steel that I had put in and paid for. He says there are no stainless steel mufflers that are about the size of the Borla XR-1s that would have chambers to eliminate the sound. Are there any other solutions to eliminating the droning sound?
Chambered mufflers flow very poorly compared to straight through. Switching over to chambered units would probably make you lose power compared to even your stock system (if that matters to you).
love the sound.. it's nice and hearty but not too loud and no droning
12-14-2008, 09:45 AM
#19
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I guess that is what I have to do even though I will then have a stainless steel setup with aluminum mufflers that according to the muffler guy will rust. But if that?s what it takes to get rid of the droning then so be it. 
12-15-2008, 12:20 PM
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My Ride: 2006 M5 with many mods....
"Exhaust loo loud" ????? You mean there really is such a thing as too loud?
You must be too rich, too intelligent and I'm sure your girlfriend is too good looking as well.
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