10-02-2021, 03:50 PM | #1 |
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Downpipe + Valvetronic Midpipe = Best M3 Sound Ever?
Hey Bimmerpost fam! Here's the long awaited video demonstration of my downpipe + Valvetronic equal length single mid-pipe setup on the G80. Special thanks to Austin and Phil from Valvetronic Designs for creating this video. It was awesome hearing my car from the outside for once!
Quick review - I absolutely love this setup. It works with the factory valve control so it's quiet or loud when you want it. In efficient mode, it's quiet and just slightly louder than stock. I commute in this car daily in that mode. It's full race car loud in Sport+ when you're joyriding and just the right balance between the two in Sport. I was concerned about rasp after the downpipe but the single midpipe keeps the deep aggressive tone that the duals don't have. I highly recommend this setup! They are getting more in stock of the mid-pipe very soon and if interested, use my referral link: https://valvetronic.com/?ref=ZVvd_wADgy1qNQ for a discount! Feel free to ask me any questions and comment below what you think! I'd really appreciate a like and subscribe. More mods and content coming soon! Hint: Whoosh noises Follow @G80_Soom @Phillybimmerclub @Valvetronic on IG!
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10-03-2021, 02:00 PM | #4 |
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10-03-2021, 03:00 PM | #5 |
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Good to know, I'm considering this setup but don't want my entire neighborhood to hate my guts lol
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10-03-2021, 10:16 PM | #6 |
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I would get this setup in a second if it didn't create a CEL!!
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10-03-2021, 11:04 PM | #7 |
Essentially Auto
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You can get Active Autowerke DP with GESI Cat. It says you will not get a CEL with this DP.
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10-03-2021, 11:40 PM | #8 |
i can haz horsepowr ??
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Your clip has literally forced me to buy a G80 - thank you for this! This setup of yours has stock axle back/muffler, correct?
I can assume that the G8X exhaust setup similar to the F8X in terms of layout, so it goes DP -> midpipes -> axle back. So if this is how loud it is with catless DP's with a single midpipe, how loud would it be in conjunction with an aftermarket exhaust? Yikers. Either way, thank you again!
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10-04-2021, 05:27 AM | #9 |
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Yeah their like 4 grand though…. I can get a R44 race exhaust cat back for around the same price and I wouldn't have to chop anything up!
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10-04-2021, 09:17 AM | #11 |
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10-06-2021, 12:36 AM | #12 |
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This is just my speed. I love this!
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10-11-2021, 12:21 AM | #13 | |
i can haz horsepowr ??
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Quote:
Could you direct me to where you found examples of the R44 dp's that don't throw a CEL? I'd greatly appreciate it.
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10-11-2021, 07:33 AM | #14 | |
Essentially Auto
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Quote:
https://r44performance.co.uk/collect...tless-downpipe Another option is Active Autowerke's dp, but it is a lot more expensive. https://store.activeautowerke.com/pr...pes-w-gesi-cat Last edited by Paletero; 10-11-2021 at 07:40 AM.. |
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10-11-2021, 09:55 AM | #15 |
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I ran iPE test pipes with embedded mini-cats like this on a previous car and I passed the OBD2 smog check with it. The relevant monitors were ready and the CEL legitimately off, no tune or software needed. I’m sure it would’ve failed an old-school actual sniff test, though. Visual may be an issue, too (old car had completely flat bottom, nothing exposed underneath). It’s probably enough for a “friendly” shop to pass you in NY.
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10-14-2021, 12:37 PM | #16 |
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I had MPE with midpipe and valves pulled on my Base F80 and my CS and it was one of the reasons I'm now divorced lol.
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10-15-2021, 10:57 AM | #17 | |
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Quote:
I ran catless dp's, catless midpipes, and a stock rear section with valves pulled on my f82. It was an absolute racket. That said, planning on doing the same setup Soom is running. I have catless dp's going on this weekend. Valvetronics midpipe to follow whenever that comes in... This setup just sounds so good. My current setup is just a dual resonator delete and x-pipe, which I've already got an exhaust ticket with. So this new setup should be fun. |
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10-15-2021, 12:27 PM | #18 | ||
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Quote:
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10-20-2021, 09:04 AM | #19 |
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Love the sound, but the fact that they complain about the front end on the order page turns me off.
Besides the quite strange grille setup, the G80 is a killer new M car, but like most, the sound is lacking. |
10-20-2021, 10:12 AM | #21 |
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from my understaning that the jb4 doesn't delete it
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10-20-2021, 11:05 AM | #22 |
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It doesnt, it removes on that drive cycle but it will come back--- just like using an obd2 tool- its not permanent.
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