E60, E61 Parts, Accessories and Mods Discussion about both stock and aftermarket parts for the E60. Accessories and modifications too!

Quad Exhaust

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Old Aug 29, 2010 | 12:00 AM
  #11  
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Originally Posted by bdogge
Newbie questio here. I have an 06 550i and would like to upgrade to a quad exhaust system. I know i'm also going to need a new bumper on the rear...any suggestions? Anything else I would need? Thanks for being patient.
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Old Aug 29, 2010 | 07:36 PM
  #12  
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Originally Posted by Dutch 530i
I had mine done a month ago. I love the sound it makes on my 530i! Never been on a dyno yet but it didn't feel any different to me. If it did lose power I will be getting a remap later anyway so that will off set the loss.
Looks better though:-)
Is that a magnaflow muffler?
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Old Aug 29, 2010 | 09:04 PM
  #13  
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Originally Posted by Howitzer
Is that a magnaflow muffler?

No mate. Its a skytune rear box and tips. No drone, just a great sound when you put your foot down
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Old Sep 14, 2010 | 03:34 PM
  #14  
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Originally Posted by NeRwEEzy
to avoid power loss, honestly its best not to go with quad. we can do the RPI exhaust if anything, which is an axle-back bolt on with dyno-proven power.
Are you willing to admit that a quad exhaust set-up (at least on the V8 models) can provide gains on the e60? After reading your post, it seems to imply that you're gonna lose power if you install a quad.
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Old Sep 14, 2010 | 05:55 PM
  #15  
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Custom Quad diffuser out of an oem mtech rear, with custom staggered tips, removed the oem mufflers and used two magnapacks. Just so you can get some ideas!
Attached Thumbnails Quad Exhaust-5rearquad.jpg  
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Old Sep 16, 2010 | 05:14 PM
  #16  
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Originally Posted by west
Are you willing to admit that a quad exhaust set-up (at least on the V8 models) can provide gains on the e60? After reading your post, it seems to imply that you're gonna lose power if you install a quad.
We've had 3 cars with dynos now that have shown power gains with our Quad setup.
I'm not sure where the power loss is on other quad setups but 3 cars out of 3 for the 530 have shown gains.

We've thus far had 2 cars install on a 550i but no Dynos yet.
Attached Thumbnails Quad Exhaust-quad.jpg  
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