Magnaflow cat-back exhaust
I am on the same boat. i would like to know as well. The 16558 kit comes with single muffler only right? If i want to make it quad i would need and X pipe and another muffler? or am i off better off going this route:
PS: i hope the owner doesn't mind me using his pictures. I can't remember the member name to give him credits.



PS: i hope the owner doesn't mind me using his pictures. I can't remember the member name to give him credits.



Last edited by JoeNg; Mar 21, 2013 at 05:22 PM.
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Joined: Jul 2010
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From: Florida
My Ride: 2008 BMW 550i Sport
Model Year: 2008
Engine: N62
I am on the same boat. i would like to know as well. The 16558 kit comes with single muffler only right? If i want to make it quad i would need and X pipe and another muffler? or am i off better off going this route:
PS: i hope the owner doesn't mind me using his pictures. I can't remember the member name to give him credits.
PS: i hope the owner doesn't mind me using his pictures. I can't remember the member name to give him credits.
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Thread Starter
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Joined: Jul 2010
Posts: 139
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From: Florida
My Ride: 2008 BMW 550i Sport
Model Year: 2008
Engine: N62
Behold, we now have video!!!
Greg (aka gcvt) was kind enough to take this initial video which demonstrates the Magnaflow 16559 cat-back exhaust on his 550. He is going to try to take some better video footage, but for now at least this gives you a close-up look of the exhaust as well as show off the great sound.
Many thanks to Greg!
Greg (aka gcvt) was kind enough to take this initial video which demonstrates the Magnaflow 16559 cat-back exhaust on his 550. He is going to try to take some better video footage, but for now at least this gives you a close-up look of the exhaust as well as show off the great sound.
Many thanks to Greg!

Thread Starter
Members
Joined: Jul 2010
Posts: 139
Likes: 0
From: Florida
My Ride: 2008 BMW 550i Sport
Model Year: 2008
Engine: N62
I will, however, they ebay seller just informed me that the magnaflow systems is out of stock. All is well though, I found it online for 767 shipped. hopefully will have it next week and install it the following weekend.
I've posted these videos before on this forum, but here's another set of sound links anyways.
Here's a video demonstrating the sound of a 550i with Magnaflow exhaust parts, stock catalytic converters and manifolds:
Here's are a couple videos demonstrating the sound of a 550i with Magnaflow exhaust parts, deleted catalytic converters and aftermarket manifolds:
The drone is present in all of these configurations. It became much louder when the catalytic converters were removed and the aftermarket manifolds were installed.
Here's a video demonstrating the sound of a 550i with Magnaflow exhaust parts, stock catalytic converters and manifolds:
Here's are a couple videos demonstrating the sound of a 550i with Magnaflow exhaust parts, deleted catalytic converters and aftermarket manifolds:
The drone is present in all of these configurations. It became much louder when the catalytic converters were removed and the aftermarket manifolds were installed.


