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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications Exhaust question
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      11-28-2013, 10:19 PM   #1
xiljustin
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Exhaust question

Hi all -

Quick question, has anyone ever heard or experienced loss of power when upgrading their exhaust system on a 550i - I thought I read somewhere that most of the exhaust systems lose some of the low end torque. I'm looking to swap out my stock 550 exhaust for a full m5 exhaust.

Thanks
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      11-28-2013, 11:25 PM   #2
combatbmw
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I dont think its possible on a V8 twin turbo car. Maybe if you put a 5 inch pipping or something ..
But upgrading to a m5 exhaust wont really give you any real power gains. vs a real system. the piping is still small. cats are still there. the m5 mufflers is what gives it that really cool sound..

If your going for sound m5 exhaust is a good idea, and cheap if u can get it used. But as far as performance, there are way better options. thats why m5 guys sell there exhausts and get aftermarket ones.
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      11-28-2013, 11:29 PM   #3
xiljustin
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Thanks - I'm just worried about the drone.

What exactly does an aftermarket exhaust have that supports performance gains?
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      11-28-2013, 11:32 PM   #4
combatbmw
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for the 550.. 3inch pipping. High performance mufflers / HIgh flow cats or no cats.. less restriction.. more flow = more gains.
I told you about myset up already.. and how it fixes drone. You should consider it. Well talk privatly about it if you want. cheers.
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      11-29-2013, 03:59 PM   #5
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Quote:
Originally Posted by combatbmw
for the 550.. 3inch pipping. High performance mufflers / HIgh flow cats or no cats.. less restriction.. more flow = more gains.
I told you about myset up already.. and how it fixes drone. You should consider it. Well talk privatly about it if you want. cheers.
Why talk privately? I'd like to hear about your drone free setup as well.
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      11-29-2013, 04:43 PM   #6
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Quote:
Originally Posted by Mbbrewer View Post
Why talk privately? I'd like to hear about your drone free setup as well.
Mbbrewer

Only because the company making the new system, doesnt want to much info out there. By the end of next week, I will have a write up with pics/video.

Marc
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