Official Straight Pipe/Muffler Delete Fact Thread. - Page 31 - BMW M5 Forum and M6 Forums

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Old 17th June 2011, 04:39   #301
MancUnited1
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Quote:
Originally Posted by E39 M5 View Post
i'll ask again if anyone has done this

has anyone deleted just 2 of the mufflers instead of all four?

anyone done this?
I assume you're asking with the idea that deleting two instead of four it would be quieter? Don't worry, removing all four it doesn't get as loud as you're thinking. And if anything, after deleting only two, you'll wish you did all four and possible cost yourself more removing the remaining 2.

Besides, the weight savings alone is like removing a fully grown Megan Fox from your car.
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Old 17th June 2011, 04:46   #302
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Originally Posted by MancUnited1 View Post
like removing a fully grown Megan Fox from your car.
Now who in their right mind would do that.
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Old 17th June 2011, 05:32   #303
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what is the biggest size tips can we fit side by side with stock diffuser? 3.5" each?

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Old 17th June 2011, 06:16   #304
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Been reading about horsepower/torque loss when going with the muffler delete vs. mufflers on 540's. Is this also an issue on the M5? I can't say I've noticed it.
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Old 17th June 2011, 08:53   #305
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I did the delete last year and I loved it immediately. After a bit I began to wish that I could turn it off when I wanted because I found it too loud for most city driving situations. That lasted a few months and now I'm over it. It sounds awesome and I think going back to normal would be depressing. I'm the guy who's always concerned about offending others (see: Canadian) so if I can get over it you can too. Delete is great.
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Old 17th June 2011, 12:27   #306
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Quote:
Originally Posted by Busta View Post
Jumbo, which tips are those?
Some stainless steel tips, dont know manufacturer. They looked like this before we cut them:


Quote:
Originally Posted by davidc View Post
what is the biggest size tips can we fit side by side? 3.5" each?
Yes 3,5" will fit with stock diffuser, if there is no space between tips/pipes.


Muffler delete video: http://www.youtube.com/watch?v=8KBavXcPzXQ
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Old 17th June 2011, 16:23   #307
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thanks so much for the information.. super useful!
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Old 17th June 2011, 17:23   #308
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Quote:
Originally Posted by JCM55555 View Post
i'm talking about see how the car has 4 back boxes which people take off and put a straight bit of pipe from the resonator

well instead of that just take off one box from each side and leave one on each side on so its not as loud

because its too loud doing the muffler delete
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Old 17th June 2011, 17:23   #309
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Quote:
Originally Posted by MancUnited1 View Post
I assume you're asking with the idea that deleting two instead of four it would be quieter? Don't worry, removing all four it doesn't get as loud as you're thinking. And if anything, after deleting only two, you'll wish you did all four and possible cost yourself more removing the remaining 2.

Besides, the weight savings alone is like removing a fully grown Megan Fox from your car.
this man knows what i'm talking about

has anyone done this????
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Old 17th June 2011, 18:16   #310
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Quote:
Originally Posted by E39 M5 View Post
this man knows what i'm talking about

has anyone done this????
Do you see how they're constructed? Each muffler has it's own tip. Leaving one on each side would eliminate one tip, looking ridiculous IMO. It's not loud unless you want it loud. If you keep it under 3k RPMS (aka normal driving to me) it's a deep burble that isn't going to be offensive to anyone. It's only if you hammer it that you get the roar of the M5.

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