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2010 2011 BMW 5 Series Forum F10 F10 550 electronic exhaust cutouts |
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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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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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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, 07:47 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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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, 08:43 PM | #15 | |
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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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08-10-2010, 12:53 AM | #20 |
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Doesn't sound that good to me...
*shrug*
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