07-25-2019, 01:11 PM | #1 |
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F30 335 Valvetronic Designs Custom Exhaust System
F30 335 owners rejoice! A valvetronic exhaust system is in the works and should be ready soon to order! Valvetronic designs has made a custom exhaust for E9X M3's and it sounds absolutely amazing. They also make a universal kit that would work really well on N20/26's. Will keep this post updated once I get mine
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07-28-2019, 11:25 AM | #4 |
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Straight pipe with a valve?! That would be sweet! Just wonder what price will be
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2012 bmw 335i sedan
VRSF catless DP VRSF 5? HD IC Stock intake(had open before and was sick of noise) BMS CP 550i 351m rims with 275/245 set up. No tune as of yet. |
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07-28-2019, 06:13 PM | #5 |
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$799. And there's gonna be actually two options; race and street. The street one will have the valve and muffler while the race version will just straight piped, I think similar to VRSF's offering. I'm definitely more interested in the street version, would love to be catless and be loud as hell whenever I want but also be able to start my car in the morning with the valve closed without waking up the whole neighborhood.
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07-30-2019, 12:09 PM | #6 | |
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VRSF catless DP VRSF 5? HD IC Stock intake(had open before and was sick of noise) BMS CP 550i 351m rims with 275/245 set up. No tune as of yet. |
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07-30-2019, 02:41 PM | #8 |
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beware of going full straight pipe with catless dp when the valve is open. I hate to say it but it sounded really bad; drew all kinds of attention for all of the wrong reasons. My afe exhaust is similar to this and I ended up putting an extra large resonator on the midpipe because it was so bad. Now the straight pipe sounds good and the muffler is a little too quiet but I couldn't see a better solution without going back to a catted dp
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07-31-2019, 12:08 AM | #9 |
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08-01-2019, 11:30 AM | #11 |
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The first pic looks like it utilizes the stock valve. The second pic is of their universal vacuum controlled kit. I would be curious to try the n55 specific exhaust kit. I would probably utilize my Armytrix quad tips.
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08-01-2019, 02:20 PM | #12 |
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It only looks like it doesn't use the stock valve control system because they have placed it on the opposite side of the car. That's nothing extensions for the connector wire and vacuum line can't solve.
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F30 335iX | Remus Axleback | Fabspeed Catted DP | VRSF Comp IC | 18X9 ET35 19lb MT1 | 255/40/18 ECS | Ohlins RT Millway Street | Millway Control Arm Bushings | Turner Endlinks | TMH 75mm 14x1.5 Studs | BMW MPerf LSD | XDelete | Pipercross Filter | MHD Stg2 93
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08-01-2019, 03:46 PM | #13 |
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Stock system doesnt use a vacuum line. Look at first pic. The valve is on the driver side just like stock. The mount even looks the same.
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08-01-2019, 04:30 PM | #14 | |
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F30 335iX | Remus Axleback | Fabspeed Catted DP | VRSF Comp IC | 18X9 ET35 19lb MT1 | 255/40/18 ECS | Ohlins RT Millway Street | Millway Control Arm Bushings | Turner Endlinks | TMH 75mm 14x1.5 Studs | BMW MPerf LSD | XDelete | Pipercross Filter | MHD Stg2 93
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08-01-2019, 04:57 PM | #15 | |
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I would be willing to try this system with my catless down pipe. I would probably either buy or get a custom midpipe with no resonator and then add this axle section to that so I can control my Valve. I have th Armytrix valve system now, but wouldnt mind trying something else out that could be louder. I would still try to utilize a quad tip setup as well.
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2020 MG M340ix - Dragy: 0-60 3.48 2018 LBB X4M40i - Stock Dragy: 0-60 4.85 |
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08-01-2019, 09:13 PM | #16 | ||
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08-01-2019, 09:48 PM | #17 | |
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08-02-2019, 12:34 AM | #18 | ||
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The noise was absolutely unbearable. Not volume, but noise. It was borderline embarrassing to drive around my luxury 2 door coupe. After putting a vibrant 1142 ultra quiet resonator in (which is way bigger than the OEM bullet style) it cleaned it right up. I'm only repeating this to help others not waste money on repeated shop visits when they can't take it anymore like me Edit: I had also gone to the shop to cut out OEM resonator before I removed stock cat. As soon as the cat was removed from the equation was when it became night and day terrible |
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08-02-2019, 01:34 PM | #19 |
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08-02-2019, 01:50 PM | #20 | |
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08-02-2019, 01:58 PM | #21 | |
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So if i were to get the race version of this exhaust, it might make sense to get a midpipe with a resonator on it.
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08-02-2019, 02:07 PM | #22 | |
Check out my Youtube @n55david!
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Id love an exhaust that with the valve closed it goes through a muffler and then with it open its straight through on that side.
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2015 335i xDrive 10.95@124.99mph w/bm3 - SOLD 2015 X3 x35i pwg 12.96 catless w/bm3 stage 2 93 ots IG: @n55david For pics and updates! Youtube: @ n55david For videos or Racing etc |
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