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BMW 3-Series (E90 E92) Forum
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Valvetronic Designs Introduction, Valved 335i exhaust + exhuast flap controllers
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04-19-2020, 03:58 AM | #45 | |
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2007 BMW E92 335i 6MT lightweight - OS GIKEN Superlock LSD - FBO STAGE 2+ ETHANOL - TRACK/DRIFT/NÜRBURGRING |
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04-19-2020, 10:01 AM | #46 |
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Markets change. Money loses value. Prices fluctuate.
Why is this being made an issue? These guys are selling a product. It's up to them what they want to sell it for and it doesn't have to stay the same. If you don't want it. Don't buy it. Easy. Again. What is the issue that's causing the new posts?
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2009 335i xDrive AT / 177k+ miles
PSP 750ic / Fuel-It! Stage 1 / BMS CP / Sutphin Tuning / RFP E50 11.61 @ 117.5 New setup; Covid 19Ts on RFP 93 + ARM inlets, dp, VTT cp and PSP outlets |
04-19-2020, 04:48 PM | #47 | |
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04-25-2020, 04:11 AM | #48 |
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Just been reading through this and it’s looking like this could be a very tempting option, has anyone got any footage of an N55 with the valvetronic system added to an otherwise stock exhaust? (I know wrong forum section)
Also there was a post that was talking about the controller over-riding the stock exhaust valve controller. Say you have the valve closed, and floor it, would you notice much restriction where the valve would normally open at around 3000 rpm? |
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04-25-2020, 09:19 AM | #49 | |
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I haven't noticed any restriction/change in engine behavior or performance when the valve is closed. If you had a modified or free flow cat, maybe you'd notice it but I'm running stock cats and no tune. |
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04-25-2020, 06:30 PM | #50 |
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My friend has one installed. When its open its definitely throaty and louder, nothing too obnoxious and actually sounds pretty good. When it is closed it is not like "stock" that is for sure, since you are missing a muffler on one side. My golf tee mod is quieter than the closed setting on his. Still a decent product. I think the price is double of what it should be but if there are buyers at 649 it will probably never go down to 300ish where it would sell like hot cakes. I think i would prefer the VRSF street exhaust for that price.
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2007 E92 335i / FBO + Inlets / E85 Custom Tune by WedgePerformance / 9.68 @ 140 / TPC Stage 2 19T / 2.1s 0-60 mph / 2010 535Xi 6MT - 437M - MHD / Instagram @Silent9n54
Last edited by Silent9n54; 04-27-2020 at 06:51 PM.. |
07-09-2020, 12:49 AM | #51 |
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I have this exhaust installed and I am not a fan and personally regret spending the money to buy it. My advice is buy almost anything else for the money. I even installed catless pipes prior to this install and it does not make it worth the money
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07-09-2020, 12:48 PM | #52 |
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What don't you like about it?
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07-10-2020, 10:26 PM | #53 |
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There is barely a difference in sound. From the inside of the car it sounds pretty much similar from outside it is a bit louder when the valve is open. But it’s not worth the amount of money it costs. I would either pick up a cheap exhaust and save a couple hundred bucks or spend a couple hundred more and buy something proper.
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07-11-2020, 06:19 AM | #54 | |
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I have this exhaust, and it’s a pretty large difference between valve open and closed with my N55 335i. |
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07-12-2020, 04:50 PM | #55 | |
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People do a muffler delete and have massive sound increase. If yours isn't increasing, it's installed wrong or you have massive expectations. I have pe mod on driver side and stock on passenger. Essentially the same as this. Valve closed it's worlds more quiet.
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2009 335i xDrive AT / 177k+ miles
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07-13-2020, 01:20 PM | #56 |
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Well if you look at it closely, the stock driver side muffler is almost straight trough with just a tiny resonated part when the valve is open. It's normal this piece doesn't make it twice as loud for example...
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07-14-2020, 01:12 AM | #57 |
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It certainly is installed correct
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07-14-2020, 01:13 AM | #58 | |
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