06-12-2019, 11:51 AM | #1 |
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Aftermarket DP + Mid-pipe with stock exhaust
Is anyone using an aftermarket dp + mp with the stock exhaust?
I'm leaning towards this route since my m240i is an M Performance edition and I would like to keep my MPE carbon tips (not sure which aftermarket axle back can use the MPE carbon tips). Thinking of getting a catless dp + resonated midpipe (would non resonated make the car drone?). |
06-13-2019, 06:18 PM | #2 |
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I have an MPE with carbon tips and dinan midpipe. Quite a few people on here have this set up and most everyone including myself love it. Dinan midpipe does require a clamp to fit the MPE but i understand it’s not a big undertaking at all.
Is there a reason why you’re considering a different axelback instead of just trying an aftermarket midpipe like Dinan first? You can always add more sound later with a DP (I think Scadam has a DP too) if you want more sound. It just seems wasteful to me to get a different axle back without switching midpipes, especially because the Dinan isn’t resonated and I am pretty sure the stock has dual resonators so the difference is quite significant with that alone |
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06-13-2019, 06:19 PM | #3 | |
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06-13-2019, 08:43 PM | #4 | |
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Do not get a resonated midpipe it will defeat the purpose of changing the mid-pipe. Go with the dinan mid-pipe and your choice of dp but i would get a high flow catted dp. I have the akrapovic dp, dinan mid-pipe with mpe and carbon tips. No drone and im very pleased with the sound, less annoying to the neighbors in comfort but LOUD pops and bangs in sport+. Perfect setup.
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2017 M240I / M Performance Exhaust / Dinan Midpipe / Dinan CAI/ Akrapovic Downpipe / Dinan Stage 1 / Dinmann Front Splitter / Dinmann Rear Diffuser / M-Performance Steering Wheel / M-Performance Carbon & Alcantara Interior
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06-14-2019, 03:57 PM | #5 |
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Drives: 2019 M240i Coupe 8 Spd Auto
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I have a dinan midpipe, catless vrsf downpipe, and agency power intake all sitting in my room (got delivered yesterday), just waiting to install next week. So I am actually going to run what you are looking for—catless dp and non-resonated midpipe on a stock 2019 m240i muffler. (note that i will also be on a bm3 stage 2 flash so that might also influence the sound)
Once I install those, i’ll post a sound clip so you can hear how it sounds. Expect sometime later next week |
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06-14-2019, 10:54 PM | #7 | |
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06-15-2019, 06:42 PM | #9 | ||
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I put a Dinan on and can't hear it near as much. I just put it on because it is sealed off from the engine compartment heat (getting hot here in MD).
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2017 BMW M240i xDrive - Mission Performance Stage 2 and transmission flash, CSF Intercooler, VRSF 4.5" downpipe, Dinan midpipe, BMW M Performance muffler, Agency Power Cold Air Intake. 11.58 @ 116MPH
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06-18-2019, 02:58 PM | #11 | |
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Do you have any sound clips of yours? curious to hear the dinan midpipe and agency power together (not patient enough to wait till tmw afternoon to hear it in person lol) |
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06-18-2019, 03:46 PM | #12 | |
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View post on imgur.com |
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06-18-2019, 05:06 PM | #13 | ||
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2017 BMW M240i xDrive - Mission Performance Stage 2 and transmission flash, CSF Intercooler, VRSF 4.5" downpipe, Dinan midpipe, BMW M Performance muffler, Agency Power Cold Air Intake. 11.58 @ 116MPH
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06-18-2019, 05:10 PM | #14 | ||
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2017 BMW M240i xDrive - Mission Performance Stage 2 and transmission flash, CSF Intercooler, VRSF 4.5" downpipe, Dinan midpipe, BMW M Performance muffler, Agency Power Cold Air Intake. 11.58 @ 116MPH
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06-20-2019, 10:03 AM | #15 | |
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On another point, I was wondering if I did aftermarket DP + stock mid pipe with resonators cutout and stock exhaust would it drone? |
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06-21-2019, 01:41 AM | #16 | |
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I recorded before sounds (cold start, eco comfort sport and sport+ revs along with sounds of the stock air box with the hood open) on a nice camera so that you can hear the differences clearly once i’m able to record the “after” videos. so expect me to upload the link to that video sometime sunday at latest as well. As for whether or not this setup will cause drone, only time will tell |
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06-22-2019, 12:15 PM | #17 |
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Update: My car sounds like it is shaking the earth. Like it is so damn obnoxiously loud lol, i’m putting the cat back in and keeping the midpipe to see if that makes it better.
And i don’t mean loud as in it sounds like how my car did before but just louder now, it now sounds like a riced-mustang. Just sounds extremely cheap |
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06-22-2019, 12:35 PM | #18 | |
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Eventually I got a tune with the cold start delete. Maybe give it a few days and see if it grows on you???
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2017 BMW M240i xDrive - Mission Performance Stage 2 and transmission flash, CSF Intercooler, VRSF 4.5" downpipe, Dinan midpipe, BMW M Performance muffler, Agency Power Cold Air Intake. 11.58 @ 116MPH
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06-22-2019, 02:52 PM | #19 |
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So, my advice is put the stock midpipe back in and go with the downpipe only. I have just a downpipe and it sounds amazing. It seemed to amplify the noise by about 20% and enhanced the turbo sounds (spool and burbles). It sounds perfect to me with stock catback and a catless downpipe.
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06-22-2019, 06:45 PM | #20 | |
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Owned: 2019 Alpine White M240i Coupe | VRSF Catless DP | AP Intake | BM3 Stage 2 (Blown at 21k miles)
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06-22-2019, 06:48 PM | #21 | ||
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2017 BMW M240i xDrive - Mission Performance Stage 2 and transmission flash, CSF Intercooler, VRSF 4.5" downpipe, Dinan midpipe, BMW M Performance muffler, Agency Power Cold Air Intake. 11.58 @ 116MPH
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06-22-2019, 07:30 PM | #22 |
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https://youtu.be/1x-D4DeQMbQ
The video is done!!! comparison of stock m240i versus how it sounds now with VRSF downpipes, Dinan Midpipe, AP Short Ram Intake, and BM3 Stage 2 91 flash. Showing comparison for startup, eco pro, comfort, sport, sport+, and shots of the intake sound with the hood open (basically everything you need to hear except from inside the cabin). Enjoy
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Owned: 2019 Alpine White M240i Coupe | VRSF Catless DP | AP Intake | BM3 Stage 2 (Blown at 21k miles)
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