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335is exhaust questiond
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10-15-2018, 03:52 PM | #23 | |
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I'll take a look into maybe removing my second cats after this winter... As for tune plugs and coils I've been running stage 2 93 Oct without issue for a few weeks, I'll change them when they need to. How do I make sure my turbos and injectors are healthy tho? |
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10-15-2018, 06:36 PM | #24 |
Davy Jones, Giant Squid
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You can use the logging feature with MHD
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10-15-2018, 07:07 PM | #25 |
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I wanted to avoid paying 60$ and just use ISTA.
But basically if I'm hitting target boost I'm fine? Or is there more info on fuel injectors? EDIT: Holy it's 100$. Still bought it, time to go for a ride and see how well the car is lol. Last edited by TheMidnightNarwhal; 10-15-2018 at 07:16 PM.. |
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10-15-2018, 07:36 PM | #26 | |
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Take DTC completely off. Put in manual mode From 3rd gear at ~2500rpm go WOT till ~6500rpm
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10-15-2018, 10:19 PM | #27 | |
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I will do a perfect log like you said another day, but all and all it seemed good to hit 16 PSI. I am on Stage 2 93 Octane |
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10-15-2018, 10:23 PM | #28 | |
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https://www.amazon.ca/Vibrant-1792-B.../dp/B000E3VHVO Do you pop any flames? |
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10-16-2018, 02:40 AM | #29 | ||
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Yes you'll need two resonators.
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10-16-2018, 07:08 AM | #30 | |
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When you rev at stationary, are you able to get pops? |
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10-16-2018, 09:11 AM | #31 | ||
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10-16-2018, 09:15 AM | #32 |
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Man same here. I have to feather the gas a bit to get single pops, would have thought second cats remove would make it more.
But if I'm driving 5 km/h in neutral and rev and let go the MHD goes on and sounds so good haha. By just replacing second cats by resonators am I getting also louder pops to? Just trying to audio visualize what it will do. |
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10-16-2018, 09:17 AM | #33 | |
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Also, it's loudest once the exhaust has been fully warmed up.
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10-16-2018, 07:45 PM | #34 | ||
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You will also need about 3 feet or so of SS 2.5" exhaust pipe. Make sure you get 304 SS. No flames ... lol |
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10-16-2018, 07:49 PM | #35 | ||
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10-16-2018, 07:54 PM | #36 |
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10-16-2018, 07:55 PM | #37 |
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10-16-2018, 07:57 PM | #38 | |
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i am about to purchase the Cobb catted DP, and 2 of these vibrant 1792 resonators to swap out the secondary cats, but i can't seem to find the magnaflow 2.5" X pipe, is this a generic item that fits multiple setups? do you have a link to said X pipes by chance? reason i want to do the Cobb catted DP is so the DP appears stock, and would hopefully pass an emissions test if and when i hopefully import this car into Japan in a couple years. would the Vibrant 1792 resonators be a problem for inspection purposes you think? what about the MF X pipe? car is a '11 335is BTW, thanks homie!
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10-16-2018, 07:57 PM | #39 | |
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10-16-2018, 08:05 PM | #40 | |
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Just to clarify, deleting second cats and adding resonators how much increase in noise and aggressiveness does it do by itself? Just want to make sure I'm not doing this for nothing. |
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10-16-2018, 08:05 PM | #41 |
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10-16-2018, 08:15 PM | #42 | |
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My OE plugs right now I'm running perfectly fine. The forum seems to recommend them for FBO + which I suppose would be with a intercooler. |
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10-16-2018, 08:15 PM | #43 |
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Is the job usually done with exhaust on the car or you have to remove it? Because they have to weld all around right?
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10-16-2018, 08:20 PM | #44 | ||
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If you have PE exhaust or the 335is mufflers with the golf tee mod, like I said, it eliminates rasp & drone. If you have catless down pipes, they will help refine the sound. X-pipe vs stock H-pipe https://www.bumberas.com/blog/2018/6...h-pipe-exhaust 2.5" SS X-pipe will make a difference in sound. |
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