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2010 2011 BMW 5 Series Forum F10 Shteigen Full System 6/6/2014 Update |
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06-21-2014, 09:19 PM | #112 | |
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opposite suction of what our cars need.But its a simple fix, just takes time to get them.
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06-23-2014, 01:52 PM | #114 |
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OH than im not sure what the deal is with that.
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06-24-2014, 02:33 PM | #116 |
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Maybe I'm dense, but I don't understand how the valves will work if the muffler is located where the resonator/x-pipe is currently located on a stock car and the pipes from the muffler go directly to the tailpipes - no muffler or anyplace to install the valves near the outlets. If a valve was installed in one of the tailpipe outlets it wouldn't do anything sound wise as the muffler is way back under the car. And if you put a valve on one of the muffler outlets, you'd seriously cause a lot of back pressure resulting in loss of power. Tell me i'm wrong.
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06-24-2014, 05:42 PM | #118 | |
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Im not sure about this, I'll make the call to find out though. I hope your wrong.
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06-24-2014, 10:27 PM | #119 |
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They said it did change the noise level as well as tone. I see your point and I'm not exactly sure as far as back pressure is concerned but it should be fine as the location of the mufflers isn't as important as how the gas flows out of the mufflers or muffler at this case. If they got that part correct all else should be fine especially since the piping is increased to 3 inch. Another reason it should work is the flaps on a stock 550 are also behind the muffler and it makes a difference in noise when open vs closed. It's a slight difference mind you, however stock 550s are near silent on purpose and not meant to get loud so hopefully it will be a much larger difference in this case. Guess time will tell...
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06-25-2014, 12:09 AM | #120 | |
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Transporter!! long time man. Yea I spoke to Mike at LSD who then called the Developer and confirmed how the valves work and everything should be good. I got nervous for a second!! haha.. I need my valves especially now that I'm with Catless DPs. Car sounds so damn mean though!! When the right valve is installed, doesn't matter where the muffler is, it will open and close depending on Throttle engagement % and RPM. So 2 pipes open vs 4 = less NOISE.
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06-25-2014, 09:12 AM | #121 |
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Are there any videos or has anyone heard the valved version? I really want to get a better sounding exhaust (the 550i is so silly quite) but really don't want it to be annoying at highway speeds for long drives.
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06-25-2014, 09:53 AM | #122 | |
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06-25-2014, 10:09 AM | #123 | |
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Shouldn't have to worry about it being annoying as the F10 cabins are so well insulated. |
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06-25-2014, 12:01 PM | #124 | |
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06-25-2014, 12:20 PM | #125 |
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just my 2 cents.. they should also offer this exhaust with 2 mufflers instead of one in the middle.. i think it will greatly improve the sound. Right now it sounds like arches stock exhaust with out mufflers.
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06-25-2014, 01:29 PM | #126 | |
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06-25-2014, 01:35 PM | #127 | |
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and this is my car basically same piping just 2 M5 mufflers...
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Last edited by badblack550xi; 06-25-2014 at 01:40 PM.. |
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06-25-2014, 01:54 PM | #128 | |
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I wouldn't worry about it. Car sounds great. Black is just trying to stir things up. Black you also have downpipes with highflow cats in your video. And how you think the car sounds is your opinion.
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06-25-2014, 02:01 PM | #129 |
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Thats my car, sure sounds like a system with just mufflers cut out
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Retired:2015 M5 CP MSR Intake|Carbon Fiber Fender Vents|Meisterschaft GTC catback with LXR mid pipes and ER Catless DPs | BPMSPORT Stage II Tune | RKP Rear Diffuser and Challenge Center piece |RKP Front Lip| Painted Reflectors | H&R Springs | Strasse SM5R Carbon Fiber Wheels | Nitto R888 | Last edited by combatbmw; 06-25-2014 at 02:06 PM.. |
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06-25-2014, 02:17 PM | #130 | |
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