07-18-2020, 07:35 PM | #1 |
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Exhaust: valvetronics vs m performance
Thinking of upgrading my exhaust. Been seeing a lot influencer using valvetronics. What do you guys think?recommendations? For f32 435i xdrive
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07-18-2020, 07:56 PM | #2 |
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Do some more research on valvetronic but I remember seeing someone's write up on them. Apparently the fitment was horrendous and the valve stopped working shortly after receiving it. They added a whole bunch of emails to the thread too with valvetronics response and their answers were very sub par. As far as noise, the mperformance is very quiet when driving day to day but considerably louder on start up. The valvetronic is a bit louder than the mperformance with the valve open and about the same volume with the valve closed.
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07-19-2020, 07:27 PM | #3 |
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The valvetronic is a straight pipe with valves open and the m performance is just louder then the non m. When it comes down to $$ or value, I would go valvetronic but then again some people say the m performance with a catless downpipe is a perfect pair.
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07-22-2020, 05:59 AM | #4 | |
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still having issues. they were supposed to replace it, that was months ago. still nothing. screw those guys, ill never buy anything from them again. video review coming soon. stay away from that garbage company.
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2017 m240i xDrive 10.99@122.86mph bootmod3 stage 2+ ots
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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07-22-2020, 11:10 AM | #5 |
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In my opinion, catted downpipe + REMUS axle back is the best setup for the Xdrive
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08-04-2020, 09:49 AM | #6 |
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fyi
i finally got my replacement exhaust. i keep saying ill do a full review and i still will, but despite all of the customer service side issues the replacement exhaust itself fits dramatically better. its not exactly perfect but thats okay. at this point anything is an improvement. i have other videos to edit and publish but i will get one out in the next few weeks. it will be honest as i feel pretending all the negative didnt happen would be a disservice. i said before that id never buy another thing from them, im not sure i ever will but im less adamant about it now.
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2017 m240i xDrive 10.99@122.86mph bootmod3 stage 2+ ots
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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08-04-2020, 04:34 PM | #8 |
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No mods are CA legal unless approved by CARB (California air resources board). I have not seen a single N55 mod that has this approval, whether its IC, CP, DP, etc. Technically you can fail a visual inspection for any mod not CARB approved. However it is generally easy to find a shop that will overlook basic things like that in visual inspection if you pass emissions/OBD2. So for DP, you would need fabspeed or AA essentially.
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08-04-2020, 06:43 PM | #9 | |
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08-04-2020, 06:51 PM | #10 |
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I forgot about Dinan, since no one runs those piggybacks anymore lol. Some of their products are CARB approved, but not all of them.
For example, intake is not CARB approved: https://www.dinancars.com/products/e...arts/D760-0038 Their older piggybacks are CARB approved. Their new flash tune is CARB pending. So i may have overstated before, but dinan aside, not aware of any other company with CARB approval on their products. Infact, most wont direct ship to CA and you have to order via a vendor. Also for context, you have 8 years from car model year before you need to get smog check in CA. |
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08-05-2020, 12:33 PM | #11 | |
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08-05-2020, 07:07 PM | #12 |
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Neither, go with the AWE touring edition or the touring edition with the non resonated midpipe.
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