02-06-2018, 04:26 AM | #24 | |
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MPE + ASD = Living with fake high pitched noise MPE + ASD OFF = Quiet cabin with frustrating drone In all honesty stock exhaust with perhaps a downpipe would have been a much better choice in hindsight |
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02-06-2018, 06:58 AM | #25 |
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But is there any way to reduce the 3k drone? Or "it is what it is". I think I read in another thread the MPE removes the resonator? If so maybe that's the issue.
You need to add the stock resonator to the MPE |
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02-06-2018, 11:16 AM | #26 |
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I am confused...... is your chart above saying with ASD on there is no drone? Or you notice it less since there is a bunch of fake noise playing in the cabin
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02-06-2018, 01:26 PM | #27 |
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As others have said..add catless downpipe. It will drastically increase the volume and amount of cracks/burble
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02-06-2018, 02:08 PM | #28 |
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Or even a catted DP. I have yet to hear anyone complain about the sound of their Fabspeed catted DP. I absolutely LOVE mine. Turned the whole car from blah to awesome in the sound department.
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02-06-2018, 05:28 PM | #29 | |
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With ASD off it's you, the silence in the cabin and the drone I hate to admit it but ever since I turned ASD off the car lost a bit of its grunt Options are: DP for potentially a better in-cabin exhaust noise, New Speakers to cover the drone, sell/exchange the MPE ASD back on? No way. Unfortunately the mere idea of listening to fake engine noise makes my blood boil... It's a bloody M car not a Racing Simulator. |
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02-06-2018, 08:03 PM | #32 |
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This is what I did. I didn't feel the need to go MPE after catless install. It's loud and if I want it louder I'll res delete
Much better $$ value for the sound
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jackcc19.50 DETRoadster11466.50 |
02-06-2018, 08:36 PM | #33 |
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02-07-2018, 05:53 PM | #34 |
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When I first got the MPE it sounded alright from the outside, but the inside sounded like crap. I got the ASD bypass harness and the sound clarity improved substantially, but the loudness went down a few decibels. This was to be expected since you removed all the artificial crap. Shortly after I got the fabspeed catted downpipes installed and the whole driving experience changed completely.
With the windows up, you can hear you are driving a track car and when you roll down the windows your ears will go slightly numb after a spirited driving run. If you have the MPE then you must get a fabspeed catted downpipes, zero regrets. On most days I get around 2-3 people pulling up to my car and complimenting me on how awesome the exhaust sounds. The shift sounds are super crisp with DSC off. The back fire sound like gunshots so you'll freak folks out on the road |
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02-07-2018, 06:04 PM | #35 |
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Yeah, I wouldn't touch a catless DP with a 10' pole especially when the performance gains are just about the same as a catted one.
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02-07-2018, 06:10 PM | #36 | |
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Catted DP - $1,000 - Great Sound - 40 Hp Exhaust - $2500 to $6,000 - Great Sound - 0 HP |
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02-08-2018, 06:45 PM | #39 |
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BMW claims the MPE does not make HP but it actually does. My dyno runs revealed around a 5+hp gain every time we ran it with flaps open then flaps closed so that is a gain
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02-08-2018, 07:09 PM | #40 | |
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Marketing ploy much? |
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02-08-2018, 07:45 PM | #41 |
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It's critical where resonator is mounted. From your picture it's a little upper than original place. How does that serve you?
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02-09-2018, 10:49 PM | #42 | |
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02-10-2018, 08:44 AM | #43 |
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02-10-2018, 09:06 AM | #44 |
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I don't think you will be disappointed....well maybe with the cold start resonating but ... it is BMW
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