107335 F10 550 electronic exhaust cutouts
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2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums F10 / F11 5-Series Photos - Video - Media F10 550 electronic exhaust cutouts
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      07-23-2010, 01:43 AM   #1
ROBD314
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F10 550 electronic exhaust cutouts

Came across this on YouTube...pretty cool. My buddy did the same thing to his M3. Sounds Sick !



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      07-23-2010, 05:09 PM   #2
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wow... where is the switch?
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      07-24-2010, 06:44 AM   #3
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Cool but why is that F10 blowing smoke?
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      07-24-2010, 10:28 PM   #4
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im lost with the thingy opening and closing. im in the market for an 09 bmw m5 but im thinking about switching to the new F10 550. whats the 0-60 on it?
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      07-25-2010, 07:39 PM   #5
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Looks a lot like http://www.quicktimeperformance.com/QTEC/specs.php

I gotta say, $425 + install to get that sound seems a lot cheaper than buying an after market dual/quad exhaust setup.
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      07-25-2010, 10:54 PM   #6
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Quote:
Originally Posted by EnjoixE92 View Post
im lost with the thingy opening and closing. im in the market for an 09 bmw m5 but im thinking about switching to the new F10 550. whats the 0-60 on it?
It's to change the tone of the exhaust. The driver can open or close the vent and have a stock sounding car or an aggressive sound depending on his mood.

See here for all official F10 specs, including acceleration times:
http://f10.5post.com/forums/showthread.php?t=324662
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      07-29-2010, 04:53 AM   #7
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thx but is the buttin on the car? i test drove 1 and the guy who took me for the drive at the dealer had no idea of it so is it after market? the corvettes have these stock on their cars
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      07-29-2010, 08:12 AM   #8
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Quote:
Originally Posted by EnjoixE92 View Post
i test drove 1 and the guy who took me for the drive at the dealer had no idea of it so is it after market? the corvettes have these stock on their cars
Video title says "2011 BMW 550i electronic exhaust bypass valve install at Unlimited Autosport In New York"....so aftermarket?
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      07-29-2010, 12:39 PM   #9
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Yeah, this is definitely aftermarket. It's not just a flap that opens within the muffler to make it louder (like in a corvette), these valves bypass the mufflers all together. Check out my buddies build thread, you can see his install and videos for his exhaust cut-outs.

http://www.m3post.com/forums/showthread.php?t=373531
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      07-29-2010, 01:01 PM   #10
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Figure ~$300 for the electronic cut out + $~300 for a good exhaust shop to do the install. $600 is still way cheaper then an axel back system for the F10. I think this just might be my first mod.
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      08-09-2010, 07:36 PM   #11
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No thanks, why not just put glass packs on there

Better yet buy a better exhaust, I bet Eisenmann will have a great set coming
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      08-09-2010, 07:47 PM   #12
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What kind of change in power would one expect when the flap is opened?
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      08-09-2010, 07:51 PM   #13
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Quote:
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No thanks, why not just put glass packs on there

Better yet buy a better exhaust, I bet Eisenmann will have a great set coming
Glass packs? This isn't a 69' Camaro.

For the same aforementioned reasons... $$$

You can bet a decent cat-back system for the 550i will start at $1,600. With cutouts you're saving yourself $1,000+ and retain the stock look while getting the rumble.

Look at all the guys doing muffler deletes on their 335i's, you'll get pretty much the same effect with cutouts.
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      08-09-2010, 08:41 PM   #14
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eh... kinda ghetto if you ask me
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      08-09-2010, 08:43 PM   #15
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Quote:
Originally Posted by HomeRun217 View Post
Glass packs? This isn't a 69' Camaro.

For the same aforementioned reasons... $$$

You can bet a decent cat-back system for the 550i will start at $1,600. With cutouts you're saving yourself $1,000+ and retain the stock look while getting the rumble.

Look at all the guys doing muffler deletes on their 335i's, you'll get pretty much the same effect with cutouts.
Muffler deletes belong on civics. I know a handful do it, but it really sounds bad.
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      08-09-2010, 08:57 PM   #16
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Sweet! Sounds like a lawnmower at idle.
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      08-09-2010, 09:57 PM   #17
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Wow.. its really cool...

Lawn mower??? Damn I want that lawn mower...
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      08-09-2010, 10:44 PM   #18
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wow i wonder if this will work with my 335. this requires a muffler delete?
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      08-09-2010, 11:33 PM   #19
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Quote:
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eh... kinda ghetto if you ask me
Well said!
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      08-10-2010, 12:53 AM   #20
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Doesn't sound that good to me...

*shrug*
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      08-10-2010, 01:54 AM   #21
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Sounds ghetto.
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      08-10-2010, 03:58 AM   #22
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the sound quality is really bad...
I think if you record it when taking off we could hear it better..
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